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If 21% of a number is 27, find 7% of that number.

If 21% of a number is 27, find 7% of that number.
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4 votes
If 21% of a number is 27, find 7% of that number.

asked
User Nick Andriopoulos
by
7.4k points

1 Answer

3 votes

Answer:

= 9

Explanation:

100% corresponds to the original number.

21% = 21/100 = 0.21

7% = 7/100 = 0.07

100% = 100/100 = 1

Then:

27 ⇒ 0.21

A ⇒ 1

A = 27*1/0.21

A = 128.57

The original number is:

128.58

7% of 128.58:

128.58*0.07 = 9

= 9

answered
User Kevin Jose
by
8.8k points
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