Question

Given that b = 7a, find the ratio a : b

Answer 1

1:7

Explanation:

Since b is equal to 7a, you would write it as a fraction and change b to 7a.

So you would find the ratio of a to be.

a:7a=1:7

Answer 2

1:7

Explanation:

Divide both sides by b:

`\displaystyle{(b)/(b)=(7a)/(b)}`

Simplify:

`\displaystyle{1=(7a)/(b)}`

Divide both sides by 7:

`\displaystyle{(1)/(7)=((7a)/(b))/(7)}\\\\\displaystyle{(1)/(7)=(a)/(b)}`

Therefore, the ratio a:b is 1:7.