Respuesta :
what is % of x
formula:
is/of=%/100
25/x=100/80%
use the reciprocal property:
x/25=80/100
multiply both sides by 100:
x/25*100=4x
80/100*100=80
combine:
4x=80
4x/4=80/4
x=20
what is % of x
formula:
is/of=%/100
25/x=100/80%
use the reciprocal property:
x/25=80/100
multiply both sides by 100:
x/25*100=4x
80/100*100=80
combine:
4x=80
4x/4=80/4
x=20