Question

if y=3 when x=9 find x when y=1



&

if y=2 when x=0.5 find y when x=3

Answer 1

hi

Answer 2

\[\frac{ 9 }{ 3 }=\frac{ x }{ 1 }\] Now cross multiply and solve for x.

Answer 3

Do you know how to cross multiply?

Answer 4

Yes but I also need the answer for the second problem

Answer 5

Alright, well what's the answer to the first problem?

Answer 6

x=3 ??? lol

Answer 7

Correct! Here's the second problem. \[\frac{ .5 }{ 2 }=\frac{ 3 }{ y }\]

Answer 8

and do the same for the previous problem?

Answer 9

Yes!

Answer 10

y=1.2 ? I calculated and that's the answer I got

Answer 11

I think y is 12..

Answer 12

either one will work lol

Answer 13

\[\frac{ 6 }{ .5 }=12\]

Answer 14

Oh okay, thanks!

Answer 15

Of course! Need anymore help?

Answer 16

Can you also help me with y=2 when x=1 and y=-3 when x=1

Answer 17

So usually it's \[\frac{ x }{ y }\] and so how about you try this problem?