CPM Homework Help : CC2 Problem 5-111

The local theater is raising ticket prices by $20\%$ .

Assuming the current youth ticket price is $\$7.50$ , use the diagram at right to find out how much more youth tickets will cost.
Hint (a):
First fill in the rest of the percent ruler. How much money does one space represent?
More Help (a):
Each space represents $\$0.75$ . How much is $20\%$ if it covers two spaces?
Answer (a):
The tickets will be $\$1.50$ more.
What will be the new youth ticket price?
Hint (b):
Add your answer from part (a) to the current cost of a youth ticket.

A vertical bar, with 10 equal subdivisions. Labels at division marks on left side, starting at the bottom, are as follows: 0%, blank, 20%, blank, 40%, blank, 60%, blank, 80%, blank, 100%. Labels on right are $0 on bottom and $7.50 on top.