Question

Suppose that your mom gives you $20 to go to the school supplies store. there is a 6% sales tax on supplies. you need to buy the following items:pencils = $1.29notebook binder = $5.99paper = $3.49high-lighter pens = $2.35a. how much will the supplies cost?

b. how much change will you receive?

Answer 1

20 times .06. Then you add that to 20. Subtract the total of all the supplies needed from 21.20. That will equal your change. Then subtract 9.37 from 21.20. That will be the cost.