Forming linear equations in two unknowns Practice exercise 2

A rectangular playground has length (3x + 4) metres and width (2y - 1) metres. If the area of the playground is 180 square metres, form a linear equation to represent the area.  (1mark)

A rectangular playground has length (3x + 4) metres and width (2y - 1) metres. If the area of the playground is 180 square metres, form a linear equation to represent the area.  (1mark)

A rectangular playground has length (3x + 4) metres and width (2y - 1) metres. If the area of the playground is 180 square metres, form a linear equation to represent the area.  (1 mark)

A school bus travels for h hours at 60 km/hr and then for k hours at 40 km/hr. If the total distance covered is 320 km, form a linear equation to represent the total distance traveled.  (1mark)

A school bus travels for h hours at 60 km/hr and then for k hours at 40 km/hr. If the total distance covered is 320 km, form a linear equation to represent the total distance traveled.  (1mark)

A school bus travels for h hours at 60 km/hr and then for k hours at 40 km/hr. If the total distance covered is 320 km, form a linear equation to represent the total distance traveled.  (1 mark)

A triangular plot has a base of (2m + 3) metres and height of (n - 4) metres. If the area of the triangle is 84 square metres, form a linear equation to represent the area.  (1mark)

A triangular plot has a base of (2m + 3) metres and height of (n - 4) metres. If the area of the triangle is 84 square metres, form a linear equation to represent the area.  (1mark)

A triangular plot has a base of (2m + 3) metres and height of (n - 4) metres. If the area of the triangle is 84 square metres, form a linear equation to represent the area.  (1 mark)

Akinyi sells x kilograms of tomatoes at sh 80 per kg and y kilograms of onions at sh 120 per kg. If her total sales for the day were sh 15,600, form a linear equation to represent her daily sales.  (1mark)

Akinyi sells x kilograms of tomatoes at sh 80 per kg and y kilograms of onions at sh 120 per kg. If her total sales for the day were sh 15,600, form a linear equation to represent her daily sales.  (1mark)

Akinyi sells x kilograms of tomatoes at sh 80 per kg and y kilograms of onions at sh 120 per kg. If her total sales for the day were sh 15,600, form a linear equation to represent her daily sales.  (1mark)

Akinyi sells x kilograms of tomatoes at sh 80 per kg and y kilograms of onions at sh 120 per kg. If her total sales for the day were sh 15,600, form a linear equation to represent her daily sales.  (1 mark)

Kamau bought a laptop and a tablet for sh 85,000. Use letters to represent the price of each item and form a linear equation to show the total amount of money he spent.  (1mark)

Kamau bought a laptop and a tablet for sh 85,000. Use letters to represent the price of each item and form a linear equation to show the total amount of money he spent.  (1mark)

Kamau bought a laptop and a tablet for sh 85,000. Use letters to represent the price of each item and form a linear equation to show the total amount of money he spent.  (1 mark)

Kiptoo bought p packets of sugar at sh x each and q packets of flour at sh y each. The total cost was sh 1,200. Form a linear equation to show the total cost. (1mark)

Kiptoo bought p packets of sugar at sh x each and q packets of flour at sh y each. The total cost was sh 1,200. Form a linear equation to show the total cost. (1mark)

Kiptoo bought p packets of sugar at sh x each and q packets of flour at sh y each. The total cost was sh 1,200. Form a linear equation to show the total cost. (1 mark)

Muthoni had m mangoes and gave away n mangoes to her neighbors. She then bought 12 more mangoes. If she now has 25 mangoes, form a linear equation to represent this situation.  (1mark)

Muthoni had m mangoes and gave away n mangoes to her neighbors. She then bought 12 more mangoes. If she now has 25 mangoes, form a linear equation to represent this situation.  (1mark)

Muthoni had m mangoes and gave away n mangoes to her neighbors. She then bought 12 more mangoes. If she now has 25 mangoes, form a linear equation to represent this situation.  (1 mark)

Wanjiku bought four notebooks and six textbooks for sh 420. Her sister Nyawira bought two notebooks and three textbooks for sh 210. Form two linear equations to show the amount of money spent by each person.  (1mark)

Wanjiku bought four notebooks and six textbooks for sh 420. Her sister Nyawira bought two notebooks and three textbooks for sh 210. Form two linear equations to show the amount of money spent by each person.  (1mark)

Wanjiku bought four notebooks and six textbooks for sh 420. Her sister Nyawira bought two notebooks and three textbooks for sh 210. Form two linear equations to show the amount of money spent by each person.  (1 mark)

A rectangle has length (x + 5) metres and width (y - 2) metres. If the perimeter is 46 metres, form a linear equation to represent the perimeter.  (1mark)

A rectangle has length (x + 5) metres and width (y - 2) metres. If the perimeter is 46 metres, form a linear equation to represent the perimeter.  (1mark)

A rectangle has length (x + 5) metres and width (y - 2) metres. If the perimeter is 46 metres, form a linear equation to represent the perimeter.  (1 mark)

A bakery produces r loaves of white bread and s loaves of brown bread daily. White bread uses 200g flour per loaf and brown bread uses 250g flour per loaf. If the total flour used daily is 45kg, form a linear equation to represent the total flour consumption.  (1mark)

A bakery produces r loaves of white bread and s loaves of brown bread daily. White bread uses 200g flour per loaf and brown bread uses 250g flour per loaf. If the total flour used daily is 45kg, form a linear equation to represent the total flour consumption.  (1mark)

A bakery produces r loaves of white bread and s loaves of brown bread daily. White bread uses 200g flour per loaf and brown bread uses 250g flour per loaf. If the total flour used daily is 45kg, form a linear equation to represent the total flour consumption.  (1 mark)