Answer:
9. 8 Hours
10. 10 hours
Explanation:
48 ÷ 4 = 12 The unit rate is 12 per hour
12x = 96 Divide both sides by 12
x = 8
54 ÷ 6 = 9 The unit rate is 9 per hour
9x = 90 Divide both sides by 9
x = 10
9 is 8 hours and 10 is 10 hours
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