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Cogito

Consumer Math · Chapter 6 · Lesson 1

Practice Worksheet

Sales Tax and Tips

The price on the shelf is not the price you pay.

12 problems · about 20 minutes · TEKS M.M.6.A

NameDate

Figure — use these to answer the problems

Item price, tax and tip stacked up. Change the item price and watch both additions scale with it.
Item50
Tax4
Tip9
Item price50
Sales tax4
Tip9
Figure 1

Warm Up

Straightforward practice. Get the method working first.

5 problems

  1. A $150 item with 6% tax. Total in dollars?

    Answer

  2. Why does subtracting 8% from a total not recover the pre-tax price?

    • The 8% was a percentage of the smaller pre-tax price.
    • Because of rounding.

  3. A $200 item with 5% tax. Total in dollars?

    Answer

  4. A $80 bill with a 15% tip. Tip in dollars?

    Answer

  5. A $54 total at 8% tax. Pre-tax price in dollars?

    Answer

Build It Up

The same ideas with more to keep track of.

3 problems

  1. A $60 meal, 8% tax and 18% tip. Total in dollars?

    Answer

  2. 10% of $73, to two decimal places?

    Answer

  3. A $25 item with 4% tax. Total in dollars?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

4 problems

  1. To recover a pre-tax price from a total, what should you do?

    • Divide the total by 1 plus the tax rate.
    • Subtract the tax percentage from the total.

  2. A $110 total at 10% tax. Pre-tax price in dollars?

    Answer

  3. The Register

    A $50 item with 8% sales tax. Total in dollars?

    Answerdollars

  4. The Tip

    A $40 bill with a 20% tip. Tip amount in dollars?

    Answerdollars