Question

if x is directly proportional to y and x=4.5 when y=3 find the value of y when x=12 ​

Answer 1

Answer:

y = 8

Step-by-step explanation:

x is directly proportional to y

$\frac{4.5}{3} = \frac{12}{y}$

4.5 * y = 12 * 3

4.5y = 36

y = 8