samsonfeng2002 samsonfeng2002

24-07-2019
SAT

contestada

If 3a+b/b=7/5
what is the value of a/b

Respuesta :

dAbhigyan dAbhigyan

25-07-2019

Answer:

a/b= 2/15

Explanation:

3a +b

----------- = 7/5

b

now cross multiple both side

5(3a+b)=7 x b

15a +5b = 7b

15a = 7b-5b

15a = 2b

15a/2b = 1

a/b x 15/2 =1

multiple both side by 2/15

we get,

a/b = 2/15

hope you have no doubt now !

we get ,

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