25%of what number is 21? Explain

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

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation: