It will cost more at the Zoo. It would cost $153 for 12 to go to the Zoo, and $147 for 12 to go to the Science Center. It would cost six more dollars for the students to go to the Zoo as opposed to the Science Center.
~theLocoCoco
If it is asking for x in terms of y, the answer is x = y+2
subtraction:
5/8 - 1/8 = 4/8which reduces to 1/2 pound left
