A small post office has in its lobby a machine that dispenses only 3¢ and 7¢ stamps. If the window at the post office is closed, what is the largest possible
postage amount that could not be made using stamps purchased from the machine in
the lobby?

are you an artist's daughter? cuz dang you a fine piece of art, girl.

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

answer: i could not see part the question so ill explain how to get the answer

step-by-step explanation: for instance the distance she travele d is 10 and she traveled the same amout each mile so do 10 divided by how many miles she drove each time and you ge your answer.

i think it’s a i believe