Apples are priced at $1.20 per kilogram, while a single banana costs 35 cents.
(a)[3]
Calculate the total cost, in dollars, of 3 kg of apples and 7 bananas.
(b)[1]
Find the change from $20.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct method used: $3 \times 1.2 + 7 \times 0.35$” …