Question

If b is directly porpotional to a and b = 3 when a= 18,find the value of b when a = 24 solution

Answer 1

4

Explanation:

b is directly proportional to a

b = ka

When a = 18, b = 3.

3 = k × 18

k = 3/18 = 1/6

b = 1/6 × a

a = 24

b = 1/6 × 24

b = 4