Question

If B is directly proportional to A and B = 3 when A = 18, the value of B when A= 30.

Answer 1

Answer:

5

Step-by-step explanation:

Answer 2

Step-by-step explanation:

is proportional to A

that is B= constant *A

let the constant be k

then , B =k*A

when B is 3 and A is 18 ,k is 1/6

therefore when A=24 and k= 1/6 B is 4

Answer is 4

Hope it helps