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Today at 9:47 AM
Mathematics

Answered

When a number is decreased by 30% of itself, the result is 28. What is the number?

Answer :

wolf1728 wolf1728

Today at 9:52 AM

x -.30x = 28
.70x = 28
x = 40

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lyssa86 lyssa86

Today at 9:52 AM

Number decreased by 30% of itself is 28
x - .30x = 28
.70x = 28
x = 28/.70 = 40

40 minus 30% of itself is 40 - 12 which does = 28.

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