AlgebraHardCrates that fit under a weight limit
Algebra practice question
A truck can carry at most 2,000 kilograms. It is already loaded with 30 boxes that weigh 40 kilograms each. What is the greatest number of 25-kilogram crates that can be added without exceeding the limit?
Answer: 32
30 × 40 = 1,200 kg is loaded, leaving 800 kg; 800 ÷ 25 = 32.
Common wrong answers
- If you answered 20
- 20 divides 800 by 40 instead of 25.
- If you answered 48
- 48 divides 1,200 by 25.
- If you answered 80
- 80 divides the full 2,000 kg by 25, ignoring the boxes.
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