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blagie [28]
3 years ago
13

David hikes 2 ¼ miles in ½ an hour.

Mathematics
1 answer:
VikaD [51]3 years ago
7 0

Answer:

a. 4.5 miles per hour

b. 4 hours

c. 31.5 miles

Step-by-step explanation:

1. Easy since its half an hour multiply by 2

4 2/4=4 1/2 or 4.5

2. 18 miles would take

18 divided by 4.5 is equal to

4 hours

3. & hours just multiply 4.5 by 7

31.5 miles

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Answer:

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The 6.2% Social Security tax applied to the first $90,000 of earnings in 2005, so Jackson is due to be refunded the tax he paid on more than that amount.

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<em>Comment on rounding</em>

The tax on 74,007 will be rounded down, as will the tax on 35,311. So, the overpayment value calculated here needs to be rounded down to correspond to the actual to-the-penny amount of overpayment.

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This is simple math facts
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