Chad bought a watch that normally costs w dollars. He used a 30% discount. The expression 0.7w describes the amount of money Chad paid for the watch. We can also use the expression
w -0.3w to represent the same quantity.
Match each amount in the situation with the expression that represents it.
Situation
Expression
Amount the watch normally costs
w
Amount of the discount
0.7
Percent decrease of the discount,
a decimal
0.3
Percent of the normal cost that Chad paid, as a decimal
0.3w
Chu Waid
List