John has started an egg farm. His chickens produce 480 eggs per day, and his eggs sell for $2.00 a dozen. How much does John make on eggs per week? (1 week = 7 days)
a. $480
b. $500
c. $560
d. $600
Answer: c. $560
This is a several-step problem. First figure out how many dozen eggs John’s chickens produce per day: 480 ÷ 12 = 40 dozen eggs per day. Now figure out how much money John makes on eggs per day: $2.00 × 40 = $80 per day. Finally, figure out how much money John makes per week: $80 × 7 = $560 per week. The most common mistake for this problem is to forget to do the last step. It is important to read each problem carefully, so you won’t skip a step.
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