Question

y varies jointly with p and q. When p = 7 and q = 2, y = 70. Find y when p = 8 and q = 4.

Answer 1

Do you know how to start?

Answer 2

no o i think you do y=kpq which then you get 7(2)k=70 then you 14k=70 which equals 5 then you plug in 8(4)(5)=Y so you get 160

Answer 3

That's right.

Answer 4

thank you

Answer 5

You didn't need help at all xD

Answer 6

What is the standard form equation of the line passing through (–2, 8) with a slope of 2?
need help