Question

a, b and c are three variables. a is proportional to b^2. a is also proportional
to vc and b = 4.5 when c = 2.25 find b when c = 8 give your answer nearest to
whole Number
1:17 PM​

Answer 1

Answer:

8.48

Step-by-step explanation:

a=kb²..........(1)

a=pc........(2)

where K and p are constants.

dividing both

c=(k/p). b²......

therefore, k/p=0.1111

therefore put c=8 and get b=8.48