Percent Review

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

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