Answer :
1) 80% of x is 32
80/100=32/x
0.8= 32/x
0.8x=32
x=32/0.8
x=40
2) 75% of x is 15
75/100=15/x
0.75=15/x
0.75x=15
x=15/0.75
x=20
:)
80/100=32/x
0.8= 32/x
0.8x=32
x=32/0.8
x=40
2) 75% of x is 15
75/100=15/x
0.75=15/x
0.75x=15
x=15/0.75
x=20
:)