Math-7 Semester 1 Review

The price of 2 gallons of Gatorade is $14.00. The price of eight 4.80 ounce juice boxes is $2.40. Which answer below is correct?

• 1 gallon of Gatorade is $7.00 and 1 ounce of juice is $2.00

• 1 gallon of Gatorade is $0.70 and 3 gallons of Gatorade is $28.00

• 3 gallons of Gatorade cost $21.00 and 1 ounce of juice is $0.06

• 1.5 gallons of Gatorade is $4.00 and 3 ounces of juice cost $o.44

Molly runs  $\frac{1}{3}$  of a mile in 4 minutes.  If she continues to run at the same speed, how long will it take for her to run 1 mile?

• 33 minutes

• 12 minutes

• 6.5 minutes

• 8  $\frac{1}{2}$  minutes 

A faucet drips  $\frac{2}{3}$  gallon of water in 10 hours.  Which rate is the unit rate of water dripped per day?

•  $\frac{1}{15}$  gallon per day

•  $\frac{5}{18}$  gallon per day

•  $1\ \frac{3}{5\ }$  gallon per day

• 6  $\frac{2}{3}$  gallon per day

Annette has a coupon for 20% off of her purchase at the store after the first discount. She finds a backpack that she likes on the discount rack. Its original price is $60 but everything on the rack comes with a 30 percent discount. What is the final price of her backpack?

• $30.00

• $42.00

• $18.40

• $33.60

Simplify: 8 - (-16)

• -8

• 8

• 24

• -2

A water well drilling rig has dug to a depth of -60 feet after one full day (24 hours) of continuous use. Assuming the rig drilled at a constant rate, what was the height of the drill after 15 hours?

• -4 feet

• -37.5 feet

• 900 feet

• 37.5 feet

Which solution can be modeled by the expression  $5\ \frac{3}{4}\$ +  -  $\frac{1}{4}$  

• You are making lemonade.  You start with 5 $\frac{3}{4}$  liters of water and you add 1/4 cup of lemon juice.

• You have a board that has been shortened by 5 $\frac{3}{4}$  inches and you remove another 1/4 from it.

• There are  $5\ \frac{3}{4}$  pounds of oranges in a basket before you add another 1/4 pound of apples.

• There are  $5\ \frac{3}{4}$  cups of flour in a container before you remove 1/4 cup to make chocolate cookies.

Choose all that are equivalent to 2.5 - 4(1.5 - 10) + 3

• 2.5 + 34 + 3

• -28.5

• 39.5

• 5.5 - 38

 What is the decimal and percent equivalent of  $\frac{5}{6}$  ?

• 0.83, 83%

• 0.833, 83.3% (repeating decimal ?)

• 1.2, 120%

• .56, 56%

Evaluate the expression -2(3 1/2 - 4 5/8) . Answer as a decimal. 

• 2.25

• 8.41

• -3.125

• -8