Percent Change Tax Tip Discount

Percent review

Percent, Percent change, tax, Tip, commission

Remember how to find PERCENT
25% OF 80

• OPTION 1: Proportion method

   $\frac{part\ \left(is\right)}{whole\ \left(of\right)}\ =\ \frac{\%}{100}\ \ \ \ so\ \frac{25}{100}=\frac{x}{80}$  

•                         OR

• Option 2: Multiply                                                                     $.25\ x\ 80\ =$  

Multiple Choice

Milk has increased in price by 6% in recent years. If today's price is approximately $3.60 how much was the ORIGINAL price of milk before the price increase?

• $0.22

• $0.21

• $3.34

• $3.40

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Eliana earned $225 from a summer job to buy new clothes for school. She found several items she would like to buy, but is trying to decide if she has enough money to buy all the items she likes. She found two pairs of shorts for $30 each and four shirts with an average cost of $15 per shirt. She will have to pay 6.5% sales tax.

If she buys all the items, how much SALES TAX will she have to pay?

Fill in the Blanks

Eliana earned $225 from a summer job to buy new clothes for school. She found several items she would like to buy, but is trying to decide if she has enough money to buy all the items she likes. She found two pairs of shorts for $30 each and four shirts with an average cost of $15 per shirt. She will have to pay 6.5% sales tax.

What is the TOTAL COST of her purchase including sales tax?

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Isaiah and his family went out for dinner for his birthday. the cost of the meal before sales tax is 82.50. The family decides to tip 20% for the good service they received.

How much did Isaiah's family leave as a tip for his birthday meal?

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Cayden earns a weekly salary of $360 plus a commission of 7.5% on sales at the game store where he works. How much would he earn in one week if he sold $600 worth of merchandise?

Cayden would earn for the week ?

Multiple Choice

Samuel wants to buy a skateboard that usually sells for $95.99 . The store is having a sale and all merchandise is discounted by 16% .

What is the total cost of the scooter if Samue pays 6.5% sales tax?

• $80.63

• $90.48

• $85.87

• $106.45

Multiple Choice

A discount store purchased iphone chargers for $6.00 per charger. the store marked up the price of the charger by 35%. What is the selling price of one charger?

• $2.10

• $8.10

• $41.00

• $6.00

Remember:

Interest = Principal x rate x time

Fill in the Blanks

Jackson borrows $2,100 to buy new furniture for his dorm room. If the simple interest rate is 2.5% how much interest will he have to pay in 3 years?

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Diana ate at her favorite restaurant, the Red Fish. She received excellent service from the waitstaff and decided to leave a 20% tip. Before tip, her bill came to $80.

How much would the mean have cost in total, including tip?