AlgebraMediumLeast number of parcels to reach a pay target
Algebra practice question
A delivery driver is paid $12 per hour plus $3 for each parcel delivered. In a 6-hour shift, what is the least number of parcels she must deliver to earn at least $150?
Answer: 26
72 + 3p ≥ 150 → 3p ≥ 78 → p ≥ 26.
Common wrong answers
- If you answered 13
- 13 halves the correct answer.
- If you answered 25
- 25 parcels give $147, short of $150.
- If you answered 50
- 50 comes from 150 ÷ 3, ignoring the hourly pay.
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