Question

2
It is given that A is directly proportional tor
wherer > 0 and A = 75 when r = 5. Find
(a) the value of A when r = 4,
(b) the value of r when A = 147,
(c) the change in the value of A when the
value of r is doubled.​

Answer 1

hshhshshah ahajsush u7wh