Question

Plz solve:
7,8,9,10,11

Answer 1

Solution:-

7.

》0.8+0.9+0.67 = 2.37

》let x = 2.37

》10x = 23.7

______________ by substraction

》9x = 21.33

》x = 2133/900

》x = 237/100ans


8.
》 0. 34.-0.2+0.6 = 1.14

》1.14 = 114/100

》= 57/50 ans

9.

》10x = 0.8+0.2

》10x = 1

》x = 1/10 ans

10.

》x/9 = 0.6+0.4

》x/9 = 1

》x = 9 ans