Question

If A/B = 5/3, then 3a = ______ .

A. 6b

B. 10b

C. 5b

D. 15b

Answer 1

it would be C cause the B in the equation substitutes 3 and A substitutes for 5
so that it will be 3 times 5

Answer 2

C.
`5b`

Explanation:

Here the given equation is,

`(a)/(b)=(5)/(3)`

Using cross multiplication property in the above equation,

`3* a=b* 5`

`\implies 3a=5b`

Hence, the value of
`3a` is equal to
`5b`,

Option 'C' is correct.