Question

x and y are in direct proportion . If x = 20, then y = 25 . If x = 32, then y = what​

Answer 1

Step-by-step explanation:

x and y are in direct proportion.

$x = k \times y \: \: \: \: \: \: \: (where \: \: k \: \: \: is \: a \: \: variation \: \: constant)$

If, x = 20 and y=25 then,

$20 = k \times 25$

$k = \frac{20}{25}$

$k = \frac{4}{5}$

If, x=32 and k = 4/5 ,then

$x = k \times y$

$32 = \frac{4}{5} \times y$

$32 \times \frac{5}{4} = y$

$8 \times 5 = y$

$y = 40$

The value of y is 40.