find the value of x

60* 80*

128* x*

1 answer

could you mean
60 * 80 = 128 x ?????
if so
128 = 8 * 4 * 4
so
60 * 10 = 4 * 4 x
15 * 10 = 4 x
15*5 = 2 x
x = 15 * 2.5 = 30 + 7.5 = 37.5