Question

Suppose p varies directly with d, and p = 7 when d = 3. What is the value of d when p = 28?

A. 4/3


B.
16

C. 140/3


D.
12

Answer 1

Didnt you do a problem like this before? Thought you understood how to do it?

Answer 2

this is a different one

Answer 3

I never did this. @Psymon

Answer 4

its the same idea, though, just different numbers. directly means y = kx, solve for k first. Its just this time they usethe letters p = dk

Answer 5

???No clue, sorry

Answer 6

ok

Answer 7

hey @Psymon thanks I kinda get your formula!

Answer 8

7=3 then 28=?

Answer 9

understood

Answer 10

yea ik already it 12

Answer 11

thanks for trying to explain