Respuesta :
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