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blsea [12.9K]
3 years ago
15

Jim is painting his new shed. If 1/5 gallon of paint covers 2/25 of the shed, how many gallons of paint would be needed to paint

4 sheds of the exact size?
Mathematics
1 answer:
djyliett [7]3 years ago
3 0

Answer:

10 gallons of paint are needed

Step-by-step explanation:

If 1/5 gallon is 2/25 of the shed then 1 full gallon is 10/25 because 5 times 2 equals 10. So if 1 gallon is 10/25 then 2 gallons is 20/25 leaving 5/25 left of the first shed. 5 divided by 2 is 2.5, so therefore, it takes 2 gallons and 2.5/5 or 2.5 gallons simplified to paint one shed. Multiply 2.5 by 4 because you need to paint 4 sheds and that gives you 10.

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<u>Answer:</u>

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<u></u>

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<u> </u>

<u>Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B) </u>

<u> </u>

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<u>         A2 - B2Note :  AB = BA is the commutative property of multiplication. </u>

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<u> </u>

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<u>Check :  y4  is the square of  y2  </u>

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<u>Check :  y2  is the square of  y1  </u>

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