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Eva8 [605]
4 years ago
15

Janelle can paint 4/5 of a picture in 2/7 of an hour how many can she pain in a full hour

Mathematics
1 answer:
just olya [345]4 years ago
5 0

Answer:

2 4/5  pictures

Step-by-step explanation:

We can use a ratio to solve

4/5 picture    x picture      

--------------  = -------------

2/7 hour          1 hour

Using cross products

4/5*1  =  2/7x

Multiply each side by 7/2

4/5 * 7/2 = 7/2 * 2/7 x

28/10 =x

2 8/10=x

2 4/5

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