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

Answer:

C. $5b$

Step-by-step explanation:

Here the given equation is,

$\frac{a}{b}=\frac{5}{3}$

Using cross multiplication property in the above equation,

$3\times a=b\times 5$

$\implies 3a=5b$

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

Option 'C' is correct.