Question

x÷0.8=6×1.6 45÷x=2.5×2 3.6x-x=1.3×4

Answer 1

1.

x÷0.8=6×1.6

x=6×1.6×0.8

x=7.68

2.

45÷x=2.5×2

45÷2.5÷2=x

x=9

3.

3.6x-x=1.3×4

(3.6-1)x=5.2

x=5.2÷2.6

x=2