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Leto [7]
3 years ago
5

Joe and Kim washed 27 cars in 6 hours. The next day, they had more help and washed twice as many cars in the same amount of time

. What was their average car-washing rate on the second day?
A. 4.5 cars per hour
B. 5 cars per hour
C. 6.2 cars per hour
D. 9 cars per hour
Mathematics
1 answer:
Lilit [14]3 years ago
3 0
The correct answer is 9 cars per hour on the second day. How I found my answer...
27x2=54
54 is the total amount of cars done on the second day. To find the amount per hour just divide by 6
54/6=9
Hope that Helps!
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Answer:

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Step-by-step explanation:

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Slav-nsk [51]
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3 years ago
Bo and Erica are yoga instructors. Between the two of them, they teach 45 yoga classes each week. If Erica teaches 15 fewer than
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Answer:

20 and 25.

Step-by-step explanation:

Given:

They both teach total 45 yoga classes each week.

Erica teaches 15 fewer than twice as many as Bo.

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How many classes does each instructor teach per week  = ?

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Let number of classes are taken by Bo = x

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x + 2x - 15 = 45

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