5 Which situation can be modeled by Diagram A and which can be modeled by Diagram B?
Diagram A:
Which
addition
models
subtrac
100% of x
1096 10% 10% 10% 10% 1096 1096 1096 1096 1096
80% of x
20% of x
Diagram B:
120% of
10% 10% 1096 1096 10% 10% 10% 10% 10% 1096 10% 10%
100% of x
2096 of x
a.
Your bill at a restaurant is $68 and you want to leave
a 20% tip. What is the total amount you will leave?
b. You buy a sweater that is on sale for 20% off of the
original price. The sweater cost $28. What was the
original price?