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25%of what number is 21? Explain

Answer :

x=84 is the answer i believe , sorry if wrong.

Answer:

84

Explanation:

First convert

25

%

to its decimal number.

25

%

=

25

100

=

1

4

=

0.25

25

%

"of" a number means to multiply

25

%

by that number. Let

x

be the number.

0.25

x

=

21

Divide both sides by

0.25

.

0.25

1

0.25

1

x

=

21

0.25

Simplify.

x

=

84

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