Example 9: To calculate the selling price and profit when the purchase price is $480 and the profit rate to the selling price is 25%.

480*25

1.(A%)

480/25 1.(A%)

Example 10: To calculate the bargain price and loss when the purchase price is $130 and the loss rate is 4%.

130*y4

1.(A%)

130/y4

1.(A%)

E-31