Pre-Algebra B Final Assessment

Cecile packages snack mix at a health food store. She uses 13 of her supply of sunflower seeds to make a salted snack mix and 29 of her supply to make an unsalted snack mix. If Cecile uses 10 pounds of sunflower seeds, how many pounds of seeds are in her supply?

• 18 pounds

• 23 pounds

• 30 pounds

• 40 pounds

Tags

CCSS.3.OA.D.8

What is the solution to the equation -0.2(x - 20) = 44 - x

• x=-90

• x=-50

• x=50

• x=90

Maria is renting kayaks from a local shop that charges a $10 fee, plus an hourly rate of $7.50. For how long can Maria rent the kayak if she pays a total of $70?

• 6 hours

• 7 hours

• 8 hours

• 9 hours

Tags

CCSS.7.EE.B.4A

Lucy collects data from a random sample of seventh-graders. Out of 40 respondents, 7 attend after-school programs. Of the 200 seventh-graders attending Lucy’s school, how many would be expected to attend after-school programs?

(a)  

Tags

CCSS.7.RP.A.2C

Tricia surveys students in her computer class about time spent on computers by students in her school. Will the survey results from this sample support a valid inference? Explain.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A school principal wants to know what theme students prefer for the spring dance. There are 150 students in 6th grade, 200 students in 7th grade, and 187 students in 8th grade. Select the representative sample that can help the principal draw conclusions about which themes the students prefer.

• The same number of students from each grade whose names are randomly selected from a hat.

• The students in the 7th grade homerooms.

• The members of student council.

• Students who attended the winter dance.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A spinner has six equal-sized sections numbered 1, 1, 2, 2, 3, and 4. What is the sample space for the spinner, and what is the probability of spinning a 1?

• {1, 2, 3, 4};

  P(1) = 0.25

• {4, 3, 2, 1};

  P(1) = 0.33

• {1, 2, 2, 3, 4};

  P(1) = 0.20

• {1, 1, 2, 2, 3, 4};

  P(1) = 0.33

The yearbook club is handing out T-shirts to its members. There are 5 blue, 7 green, 9 red, and 4 yellowT-shirts in all. If Jacob is handed a T-shirt, what is the probability that the color is red?

Tags

CCSS.7.SP.C.7B

A music shop charges a deposit of $20, plus a monthly rate of $30 to rent an instrument. For how many months did Avi rent an instrument if he spent a total of $80?

• 3 months

• 4 months

• 2 months

• 5 months

Tags

CCSS.7.EE.B.4A

What is the solution to the equation -2.5(x - 4) = -3x+4?

• x=-12

• x=-28

• x=12

• x=28