If 3/4 gallon of paint covers 1/3 of the wall, then how much paint is needed for the entire wall?

the first one, all those points on the line just make a strait line.

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )