SSAT Math Question 342: Answer and Explanation
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Question: 342
1. Mikaela earns a base hourly rate of $7 per hour babysitting. However, if a babysitting assignment lasts longer than 4 hours, she earns $8 per hour for each hour she babysits after the first 4 hours. How much money does Mikaela earn if she babysits 4 hours on Friday, 6 hours on Saturday, and 5 hours on Sunday?
- A. $105
- B. $108
- C. $115
- D. $120
Correct Answer: B
Explanation:
The answer is B
On Friday, she earns 4 × 7 = 28, on Saturday, she earns (4 × 7) + (2 × 8) = 44, and on Sunday, she earns (4 × 7) + (1 × 8) = 36. Add these amounts: 28 + 44 + 36 = 108.