Level 3
A plate cost $b. A bowl cost$20 less than the plate.
1. Mother bought 2 plates and 1 bowl. How much did Mother pay in terms of b?
2. If b = 98, find the total amount that Mother paid.
3 m
Level 3
Some oil is leaking from a crack of a bottle. After z minutes, the volume, V, of the oil left in the bottle is given as V = 40(100 - 5z) cm3. How much oil will be left in the tank after 10 minutes? Give your answer in litres.
3 m
Level 3
Mrs Jensen paid a total of $38 for 3n pens and 4 markers. Each pen cost$2.
1. Express the cost of 1 marker in terms of n.
2. If n = 4, how much did each marker cost?
3 m
Level 3
The figure shows 2 rectangles. The length of the bigger rectangle is (6m + 8) cm and the breadth is half its length. Find the perimeter of the smaller rectangle.
4 m
Level 3
The perimeter of triangle A is equal to that of rectangle B.
1. Find the length of rectangle B in terms of k.
2. If k = 3, find the area of rectangle B.
4 m
Level 3
One pencil costs $x. One pen costs$(x + 20). One ruler costs \$4x.
1. Vince bought 2 pencils, 3 pens and 1 ruler. How much did he spend? Simplify your answer in terms of x.
2. If x = 20, how much did Vince spend altogether?
4 m
Level 3
A rectangle has a length of 6 cm and a breadth of 4q cm. Find
1. its area in terms of q,
2. its perimeter in terms of q,
3. the area of the rectangle if q = 3.
4 m