Question

a:b = 2 :3 and b:c=5:8 .if a + b + C =98 then the value of b is​

Answer 1

Step-by-step explanation:

Option B 30

A:B=2:3,B:C=5:8

A:B:C=10:15:24

A+B+C=98

B=15/49*98=30

Helpfull: Yes(15) No(3)

or

Given that,

sum of A+B+C=98----(1)

A/B=2/3 and B/C=5/8

Now convert A/B and B/C in terms of B ==> A=2B/3 and C=8B/5

Now substitute A and C in (1)

2B/3+B+8B/5=98

B=30

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Answer 2

Answer:

30

Step-by-step explanation:

A:B=2:3,B:C=5:8

A:B:C=10:15:24

A+B+C=98

B=15/49*98=30