Question

Help with a proportion please?

I'll post the picture.

Answer 1

generally, you want to cross multiply and gather your variables

Answer 2

which part is giving you the troubles?

Answer 3

Just figuring out where to start. Do I do 1/2? Or something else?

Answer 4

for a given proportion:\[\frac ab = \frac nm\]
we determine a suitable solution by cross multiplying\[am=bn\]
and then work thru the algebra to solve for the variable

Answer 5

So I multiply?