Question

The ratio of marbles to stones is 5 to 7 if there are 35 marbles how many stones is there?

Answer 1

If 5=7
so
35=49

this is how you find it,
35*7/5

Answer 2

5 : 7
Marbles : Stones

35/5 = 7
So stones
= 7 * 7
49

=35 : 49