AlgebraHardMost sessions within a budget
Algebra practice question
A tutor charges a $30 registration fee plus $45 per session. A family has at most $400 to spend. What is the greatest number of sessions the family can book?
Answer: 8
30 + 45s ≤ 400 gives s ≤ 8.22, so 8.
Common wrong answers
- If you answered 7
- 7 stops one short.
- If you answered 9
- 9 would cost $435.
- If you answered 8.89
- 8.89 divides 400 by 45, ignoring the fee.
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