Question

if a/b=2/3 then find the value of the following expression 1.7b-4a/7b+4a​

Answer 1

Step-by-step explanation:

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• $4 {?}^{?}$

Answer 2

Step-by-step explanation:

a = 2b/3

1.7b - 4*2b/3*1/7b + 4*2b/3

= 1.7b - 8/21 + 8b/3

= 1.7b + 2.7b - 8/21

= 4.4b - 8/21

now value of b is not given

assuming, a=2, b=3

then, 4.4*3 - 8/21 = 13.2 - 0.4 = 12.8