Unit 3 Review

Multiple Select

A classroom has 5 girls for every 3 boys.  How can the ratio of girls to boys be written? Choose all that apply.

• 5 : 3

• 5 / 3

• 3 / 5

• 5 to 3

Multiple Choice

A package of 3 boxes of cereal costs $12.60. How much does each box cost?

• $4.20

• $37.80

• $8.40

• $12.60

Multiple Choice

In a pack of gum, there are 12 sticks. If the pack of gum costs $1.50, how much is each stick?

• about $18.00

• about $1.50

• about $0.13

• about $8.00

Multiple Choice

Convert the fraction to a percent:   $$\frac{55}{50}$$  

• 1100%

• 110%

• 1.1%

• 11%

Multiple Choice

Convert this percent into a decimal: 8%

• 8

• 0.8

• 0.08

• 80

Multiple Choice

Identify the percent of change as an increase or a decrease.  Then find the percent of change.  300 miles to 210 miles.

• 30% increase

• 30% decrease

• 15% increase

• 15% decrease

Multiple Choice

A cheeseburger normally costs $2.50. A sale has reduced it to $2.00. What is the percent decrease of the price?

• 20% decrease

• 10% decrease

• 50% decrease

• 65% decrease

Multiple Choice

You bought a soda for $1.00 and a hot dog for $2.25.  The sales tax is 6.5%  What was the amount of TAX for the meal?​

• $0.21

• $21.13

• $0.07

• $3.46

Multiple Choice

Jake buys a salad that cost $18.45 and a drink that is $2.00.  Tax is 7%.  What is the price of the ENTIRE meal with tax?​

• $19.74

• $1.43

• $21.88

• $20.45

Multiple Choice

Calculate the SALE PRICE after the discount: 15% off a product normally priced at $420.00

• $63

• $357

• $483

• $405

Multiple Choice

Find the Simple Interest: Principal $350, Annual Rate 4%, Time 3 years

• $24

• $42

• $84

• $100

Multiple Choice

Find the simple interest on a loan of $500 at a rate of 5.5% over two years.  Then calculate the total amount that needs to be repaid.

• $550, $1,050

• $5,500, $6,000

• $5.50, $505.50

• $55, $555