Dave buys a baseball for $15 plus an 8% tax. Mel buys a football for $20 plus an 8% tax. What is the difference in the amount Dave and Mel paid, including tax?
1 Answer
Jul 28, 2018
See a solution process below:
Explanation:
The formula for total price including tax is:

#t# is the total amount paid. What we will have to solve for in the problem. 
#p# is the price paid:
#" "# $15 for Dave's baseball
#" "# $20 for Mel's football #r# is the tax rate. 8% for this problem.
#" "# "Percent" or "%" means "out of 100" or "per 100", Therefore 8% can be written as#8/100# .
Total Price Dave Paid:
Total Price Mel Paid:
Difference in Total Price Paid: