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

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yazthespazBest ResponseYou've already chosen the best response.0
@Brittni0605 could you help me if your not busy? Thank You!
 one year ago

Brittni0605Best ResponseYou've already chosen the best response.0
Hmm, gimme a sec plz
 one year ago

mark_o.Best ResponseYou've already chosen the best response.1
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.
 one year ago

mark_o.Best ResponseYou've already chosen the best response.1
can you do the next step?
 one year ago

Brittni0605Best ResponseYou've already chosen the best response.0
@yazthespaz , you can follow @mark_o. I need a few min, sorry
 one year ago

yazthespazBest ResponseYou've already chosen the best response.0
y= k(5)(8)= 40 so the answer is y = k (40)
 one year ago

yazthespazBest ResponseYou've already chosen the best response.0
which will equal y = 40
 one year ago

yazthespazBest ResponseYou've already chosen the best response.0
@Brittni0605 okay, its fine
 one year ago

mark_o.Best ResponseYou've already chosen the best response.1
yes correct but did you do how to solve for k earlier
 one year ago

mark_o.Best ResponseYou've already chosen the best response.1
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
 one year ago
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