Question

Y varies jointly with P and Q. When P=3 and Q=5, Y=60. Find Y when P=2 and Q=6.
A. Y=36
B. Y=48
C. Y=60
D. Y=72

Answer 1

C

Answer 2

y=kpq
60=k(3)(5)
60=15k
4=k

y=(4)(2)(6)
y=-----

Answer 3

I got it. Thank you very much for ur example

Answer 4

Y(P+Q) since is jointly.
Therefore should be 60 = (3+5)k
k= 7.5

Answer 5

Sorry!! Thank you for reminding me

Answer 6

No Problem.