the ratio of x:y = 9:5 and 7y = 2z show that the ratio y:z = 2:7
#ratio question
spiral crane
rocky lichen
the ratio of x:y = 9:5 and 7y = 2z show that the ratio y:z = 2:7
The ratio y:z is the same as the fraction y/z
So with the equation 7y = 2z we can divide by z and then by 7
This gives us y/z = 2/7, hence the ratio is 2:7