Question

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Answer 1

Answer:

1/2m+ 3/4m- m=2.5

2m+ 3m- 4m/ 4= 2.5

1/4m= 2.5

m= 2.5× 2

m= 10 ans.

10. 3a/ 4 + a/6= 66

9a + 2a/ 12= 66

11/ 12a= 66

a= 66× 12/ 11

a= 72

12. 0.6a + 0.2a = 0.4a+ 8

0.8a - 0.4a = 8

0.4a = 8

a = 20

14. 10/ 100 × x = 20

1/ 10x = 20

x= 20× 10

x= 200

16. x- 30/ 100× x = 35

- 2x = 350

x= 350/ -2

x = -175

Hope it helps..

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