Carmella and Mariah got summer jobs at the
ice cream shop and were supposed to work 15
hours per week each for 8 weeks. During that
time, Mariah was ill for one week and Carmella
took her shifts. How many hours did Carmella
work during the 8 weeks?
a. 120 hours
b. 135 hours
c. 150 hours
d. 185 hours
Answer: b. 135 hours
Carmella worked 15 hours per week for 8 weeks: 15 × 8 = 120. In addition, she worked 15 hours for Mariah for one week, so: 120 + 15 = 135.
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