Question

Dau coroana la cel mai bun raspuns. ​

Answer 1

4). a-b=25

a:b=6 => a= 6b

6b-b=25

5b=25

b=25:5

b=5

a= 5+25

a=30

a-b=35

a:b=8 => a= 8b

8b-b=35

7b=35

b=35:7

b=5

a=5+35

a=40