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LUCKY_DIMON [66]
2 years ago
9

Michelle biked 21 miles in 4 hours.

Mathematics
1 answer:
Tomtit [17]2 years ago
8 0
Part A: 5.25
Average speed is 5.25 mi per hr

Part B: 8 hrs because
42 divided by 5.25 is 8
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10 people who build at the same rate can frame a house in 6 days. What fractional part of a house can 4 people frame a house in
Alina [70]

10 people who build at the same rate can frame a house in 6 days. That means it will take one person 10\times6=60 days to finish the house.

Which means that it will take 4 people \frac{60}{4}=15 days to finish the house.

So, the fractional part of the house 4 people can frame in 3 days will be \frac{3}{15}=\frac{1}{5}

Thus, Option D is the correct answer.

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3 years ago
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sertanlavr [38]
The answer is -1/4.

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galina1969 [7]
Hope this made sense

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3. Mr. James told Jill he would charge her $15 per hour, plus parts, to fix her bicycle.
ad-work [718]

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IRISSAK [1]

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A/5

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