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# Taxes, discounts, tips and more

- Intro Lesson: a8:38
- Intro Lesson: b1:47
- Intro Lesson: c2:09
- Lesson: 14:10
- Lesson: 28:03
- Lesson: 34:21
- Lesson: 47:12
- Lesson: 54:32

### Taxes, discounts, tips and more

#### Lessons

(Original price) + [(Original price) $\times$ (tax/tip in percent)] = (New price)

(Original price) $\times$ [1+ (tax/tip percent in decimal)] = (New price)

(Original price) - [(Original price) $\times$ (discount in percent)] = (New price)

(Original price) $\times$ (1 - discount percent in decimal) = (New price)

- Introduction
__Introduction to taxes, discounts, tips and more__a)Relating Percents to Taxesb)Relating Percents to Tipsc)Relating Percents to Discounts - 1.
**Relating Percents to Taxes**A pack of potato chips is priced at $5. If the sales tax in the province is 15%, how much should the potato chips be sold for?

- 2.Billy picked a pair of headphones with a selling price of $250 at an electronic store. However, at the check-out counter, he was charged $280. What is the percentage of the sales tax?
- 3.
**Relating Percents to Tips**A family of three went to a five-star restaurant for dinner. The bill for the meal was $180. The family put down $300 and left without asking for changes. In other words, what is the percentage of tips they have paid?

- 4.
**Relating Percents to Discounts**A stationary store is having a garage sale. All the binders priced at $12 are now on sale for $9. What is the discount percentage?

- 5.A suit was originally priced at $880, but it has been marked 25% off. What is the selling price now?