7A End-Chapter test 1

1. Kristy, Megan, and Heather sold a total of 48 magazines this weekend. Megan sold
   3 more magazines than Heather, and Kristy sold twice as many magazines as Heather. Which is a reasonable conclusion about the number of magazines sold by the students?

• 1. Megan sold the least number of magazines.

• 1. Kristy and Megan sold the same number of magazines.

• 1. Heather sold exactly half of the total number of magazines.

• 1. Kristy sold the most magazines.

1. Two siblings agreed to split the cost of a television and a DVD player evenly. They spent a total of $335.00 on the television and $95.00 on the DVD player. Find the amount that each sibling paid.

• $430.00

• $215.00

• $265.00

• $210.00

1. Which of the following numerical expressions results in a positive number?

• (-4) + (-7)

• (-4) + 7

• 4 + (-7)

• (-4) + 7 + (-4)

An electrician received d dollars for a job. She had to pay $75 for supplies. On her next job, she received 3m dollars. Which expression represents the amount of money she has now?

• d - 75 - 3m

• d + 75 + 3m

• d + 75 - 3m

• d - 75 + 3m

If ⎪r⎥ = 2, what is the value of r?

• -2 or 0

• 0 or 2

• -2 or 2

• -4 or 4

Tony received some money from his grandmother for his birthday. He spent $12.75 each for 3 CDs. Then he spent $5.20 for lunch. Later he bought a T-shirt for $8.90. If he had $7.65 left over, which of the following expressions can be used to find how much money Tony received for his birthday?

• 3(12.75) + 5.20 + 8.90 + 7.65

• 3(12.75) + 5.20 + 8.90 - 7.65

• 3(12.75 + 5.20 + 8.90 + 7.65)

• 3(12.75 + 5.20 + 8.90 - 7.65)

Abigail evaluated the expression ⎪-27 + 3⎥ - ⎪-3 - 5⎥ by performing the following steps.

⎪-27 + 3⎥ - ⎪-3 - 5⎥ = ⎪-24⎥ - ⎪-8⎥ = 24 + 8 = 32

What did Abigail do incorrectly in evaluating the expression?

• 1. She evaluated ⎪-24⎥ as 24 when she should have evaluated ⎪-24⎥ as -24.

• 1. She added 24 and 8 when she should have subtracted 8 from 24.

• 1. She evaluated ⎪-3 - 5⎥ as ⎪-8⎥ when she should have evaluated ⎪-3 - 5⎥ as ⎪-2⎥.

• 1. She added 24 and 8 when she should have subtracted -8 from -24.

Add six to the quotient of a number and three. The answer is 14. Which of the following equations matches these statements?

9. The table below shows the train travel times from Cleveland (CLE) to Chicago (CHI). Which of the following statements about the travel times is true?

• 1. The train leaving at 2:30 A.M. has the least travel time.

• 1. The train leaving at 7:45 A.M. has the greatest travel time.

• 1. The train leaving at 8:20 P.M. has the least travel time.

• 1. The train leaving at 2:00 P.M. has the greatest travel time.

• 2

• 3

• 4

• 6