Question

The value of y is directly proportional to the value of x.

If y = 10 when x = 5, what is the value of the following.

a) find the value of y when x is equal to 4.

b) find the value of x when y is equal to 6

Answer 1

a) the value of y will be x=5 - 4= 1

therefore y=1

b) the value of x will be y= 10 - 6= 4

therefore x=4

Answer 2

a) find the value of y when x is equal to 4.

Explanation: