Question

25% of a certain number is 21. What is the number?​

Answer 1

Answer:

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

Answer link

Answer 2

Answer:

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.

0.25x=21

Divide both sides by 0.25.

0.25^1/0.25 x= 21/0.25

Simplify.

x=84

Step-by-step explanation:

I hope it's useful

Make it as Brainliests answer...

Thank you (☆▽☆)