Question

Y=4 when x=9

Work out the value of y when x=25

Answer 1

Y=11.111111111111111111••••••

Answer 2

y=11.11

Explanation:

We have to use a proportion, so we do 4/9=y/25

We cross multiply to get 100=9y

Divide both sides by 9 and get y=11.11

Hope this helps