7th Grade Math NS 3

The sum of two integers is -15. The product of the two integers is 54. What are those two integers?

• -6 and -9

• -6 and 9

• 6 and 9

Andrew needs to buy 2 new tires for his car. At the store, the price of 1 car tire is $85. A 15% discount is offered if the customer buys 2 or more tires. Sales tax of 6% is also charged on the total price of the tires bought. What should be the total cost of 2 tires, including sales tax?

• $144.50

• $153.17

• $180.20

• $207.23

Determine how many students chose Other on the second survey.

• 10

• 15

• 20

• 25

For each option, determine the net change in students who chose that particular category as their favorite subject.

• Option A: Increase by 10 students

• Option B: Decrease by 5 students

• Option C: No change

• Option D: Increase by 15 students

An architect is designing a rectangular house that is 60 feet long and 40 feet wide. He uses 1/4 of the area for the living room and 1/5 of the area for the kitchen. What area in square feet is left over for other parts of the house?

• 1200

• 1400

• 1600

• 1800

Lee went on a trip to Ohio during the month of January. He recorded the low temperature for each day of one week as \(-2^\circ C, 1.5^\circ C, 6.3^\circ C, 2.9^\circ C, 6^\circ C, -4.1^\circ C,\) and \(-3.2^\circ C\). What was the mean low temperature for that week to the nearest hundredth?

• 1.06°C

• 1.48°C

• 3.71°C

• 4.18°C

Elizabeth spends $14.99 each month on song downloads. At this amount, how much will Elizabeth spend on song downloads after two years?

• $29.98

• $179.88

• $289.76

• $359.76

Caleb has a piece of wood that is 156 inches long. He wants to cut the wood into $2 \frac{3}{4}$-foot sections. How many whole $2 \frac{3}{4}$-foot sections can Caleb cut?

• 57

• 56

• 5

• 4

Karyn wanted to cut three lengths of wood from a 10 foot long board. The length of three pieces she wanted to cut were $1 \frac{2}{3}$ feet, $2 \frac{3}{4}$ feet, and $3 \frac{5}{6}$ feet. How much of the 10 foot board would be left over?

• $1 \frac{3}{4}$ feet

• $2 \frac{1}{4}$ feet

• $3 \frac{3}{4}$ feet

• $8 \frac{1}{4}$ feet

A recipe to make 3 dozen sugar cookies requires $\frac{1}{4}$ tablespoon of salt and $1 \frac{1}{2}$ tablespoons of sugar. Sam made 144 cookies. How much salt and sugar combined did Sam use?

• 4 tablespoons

• 7 tablespoons

• 27 tablespoons

• 48 tablespoons