AlgebraEasy–MediumLeast number of days to reach a reading target
Algebra practice question
Lin must read at least 300 pages of a book this week. If she reads 45 pages each day, what is the least number of days she needs?
Answer: 7
45d ≥ 300 → d ≥ 6.67, so 7 days.
Common wrong answers
- If you answered 6
- 6 days give 270 pages, short of 300.
- If you answered 255
- 255 is 300 − 45, not a number of days.
- If you answered 6.67
- 6.67 is not a whole number of days.
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