we have , 70% x x= 84
or ,[tex]\frac{70}{100}[/tex] x x= 84
multiplying both sides by 100 and dividing both sides by 70,
we have x = 84 x [tex]\frac{100}{70}[/tex]
x= 120
if you are using a calculator ,simply enter 84x x 100 divide 70 , which will give you the answer .
