Question

min

Answer 1

What you need to do for this is be able to write out the equations these give. For example the first one would be (x/60) + 7 ..that can't be right because it is rate per minute and that means multiplication.
So you want the one that is times ...which leaves the bottom two...then you look at the representations. Considering the massage was 1 hour ...x can't represent the time. It would have to be the rate per minute. SO the answer is the last one 60x+7=52 which happens to be a 75 cents per minute flat rate. Hope this helped ^.^