Question

a) (m-0,95)*0,18=0,549
б) (8,5-y)*7,2=37,44

Answer 1

m-0,95=0,549/0,18
m-0,95=3,05
m=3,05+0,95
m=4

8,5-y=37,44/7,2
8,5-y=5,2
y=8,5-5,2
y=3,3