Page 355 - NUMINO_WB_6A

1. Find the sale price. 107-B7-1
a. Regular price: $32
25% Off b. Regular price: $128
30% Discount
2. Find the discount rate.
a. Regular price: $120 b. Regular price: $231
Sale price: $54 Sale price: $161.7

3. Find the total cost. b. Price: $130
a. Price: $45 Tax: 8.5%
Tax: 5%
b.
4. Find the simple interest. principal: $220
a. interest rate: 7.5%
principal: $70 time: 4 years
interest rate: 6%
time: 2 years