Question

se 3/7 do que eu tenho são R$ 195,00, a quanto corresponde 4/5 do que eu tenho?

Answer 1

3/7 .....................................195
4/5 ...................................   x
x =  ( 195 * 4/5) / 3/7 
x = ( 780/5) / 3/7 
x = 156/1 : 3/7 = 156/1 * 7/3 = 1092/3 =364 ****