Question

y varies jointly with p and q. When p = 4 and q = 5, y = 60. Find y when p = 5 and q = 8.

Answer 1

@Brittni0605 could you help me if your not busy? Thank You!

Answer 2

Hmm, gimme a sec plz

Answer 3

OKay thaks

Answer 4

y varies jointly with p and q.
the formula would be
y=kpq
60=k(4)5 solve for k then Find y when p = 5 and q = 8.

Answer 5

can you do the next step?

Answer 6

@yazthespaz , you can follow @mark_o. I need a few min, sorry

Answer 7

y= k(5)(8)= 40

so the answer is y = k (40)

Answer 8

which will equal y = 40

Answer 9

@Brittni0605 okay, its fine

Answer 10

yes correct but did you do how to solve for k earlier

Answer 11

.60=k(4)5

Answer 12

yes thanks

Answer 13

60=k(4)5
60=k(20) so
60/20=k
k=__?
ok good luck now
it seems you got now the correct answer... :D