Math 7 Final Practice #3

Coach took the basketball team out for ice-cream sundaes. He bought 8 sundaes at $5.35 each. He left a 15% tip. How much did Coach spend in all?

• $0.80

• $6.42

• $49.22

• $6.15

Which line on this graph represents a relationship that is proportional?

• line A

• line B

• line C

• line D

Lauren is making punch. The ratio of juice to ginger ale in the punch recipe is 2 to 3. If Lauren has 9 pints of ginger ale, how many pints of juice does she need?

• 6 pints

• 7.5 pints

• 9 pints

• 30 pints

Ty bought a pair of jeans at a 25% off sale. He paid $22.50 before tax for the jeans. What was the original price of the jeans?

• $27.50

• $30

• $32.50

• $35

It takes Becky 20 minutes to type 900 words. Which proportion can be used to find w, the number of words that Becky can type in 30 minutes at the same rate?

• $\frac{w}{900}=\frac{20}{30}$

• $\frac{w}{20}=\frac{900}{30}$

• $\frac{20}{w}=\frac{30}{900}$

• $\frac{900}{20}=\frac{w}{30}$

Tom wants to buy a CD that regularly sells for $21.99. The store has the CD on sale for a special price of $17.85. What is the percent decrease in the price of the CD? Round to the nearest whole percent.

• 4%

• 19%

• 21%

• 81%

Mr. K invested $4,500 for 5 years. He received a 4% simple interest rate. How much interest did Matt earn?

• $180

• $810

• $900

• $9,000

-6 - (-11) =

• -5

• -17

• 17

• 5

-7 x (1 - 9) =

• 56

• -56

• -70

• 70

-45 ÷ 9 =

• 5

• 0.5

• 1/5

• -5