% change is actual change divided by starting value.
+ is increase, - is decrease (though it must surely be obvious)
25% off means you pay 75%
The cost of admission to the State Fair changed from $8.50 last year to $10.00 this year. Round to the nearest tenth. Show your work
a.) What is the percent of change from last year to this year?
b.) Is this a percent of increase or decrease?
c.) If you have a 25% off coupon to use on the $10.00 ticket, what is the cost of your ticket?
2 answers
a. (10.00/8.50) * 100% = 117.6%.
% Change = 117.6% - 100% =
b. The positive value means increase.
c. Pay 100% - 25% = 75%.
Cost =( 75%/100%) * 10.00 =
% Change = 117.6% - 100% =
b. The positive value means increase.
c. Pay 100% - 25% = 75%.
Cost =( 75%/100%) * 10.00 =
1 answer