AlgebraMediumMinimum cakes to reach a fundraising goal
Algebra practice question
A club has already raised $120 and needs to raise at least $500 in total. It sells cakes for $4 each. What is the minimum number of cakes the club must sell to reach its goal?
Answer: 95
120 + 4c ≥ 500 gives c ≥ 95.
Common wrong answers
- If you answered 94
- 94 falls $4 short.
- If you answered 125
- 125 divides 500 by 4, ignoring the $120 already raised.
- If you answered 155
- 155 adds 120 to 500 before dividing.
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