Question

Jane's height to Max's height is in the ratio 4:7. If Max's height is 210cm, what is Jane's height? *

Answer 1

120

4=?

7=210 then cris cross the answer is 120

Answer 2

Suppose that Jane's height is x cm thus we have :

$\frac{x}{210} = \frac{4}{7}$

$x = \frac{210 \times 4}{7}$

$x = 120$

So Jane is 120 cm .