Answer:
A. the rational number system is closed under addition, but not multiplication
Step-by-step explanation:
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Answer:
133
Step-by-step explanation:
127 + 16 = 133
$70 for 5 hours = 70/5 for 1 hour.
70 / 5 = 14
That means $14 for 1 hour.
To find how much for 12 hours, multiply the price of 1 by 12 to get the price of 12 hours.
1 hour = $14
12 hours = 14 * 12
14 * 12 = 168.
That means the price of working for 12 hours is $168.
Hope this helped☺☺
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