7.RP.3 Review

Mr. Sanchez bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of Mr. Sanchez’s purchases?

• $25.50
• $26.39
• $35.45
• $36.94

Tags

CCSS.6.RP.A.3D

Mr. Tucker earns $250 per week working in an appliance store. In addition, he earns 2% commission on all of his sales. Last week, he sold $2,800 worth of appliances. What was Mr. Tucker’s total income for the week?

• $56
• $287
• $306
• $280

Tags

CCSS.6.RP.A.3C

A light bulb company checked a random sample of 30 bulbs in the warehouse. Of the sample bulbs, 28 worked and 2 did not. A hardware store ordered a case of 144 light bulbs from this company. What would you expect to be true about the bulbs that the hardware store receives

• All of the bulbs will work.
  
• Exactly 2 of the bulbs will not work
• About 10 of the bulbs will not work.
• At least 30 of the bulbs will not work

Tags

CCSS.7.RP.A.3

Scientists tag and release a group of salmon after they hatch. Later, they catch a sample of salmon that return to the river and check them for tags. In one sample, 40 out of 800 returning salmon have tags. What is the best prediction of the total number of tagged salmon in a sample of 2000?

• 40
• 100
• 90
• 400

The Science Club sells boxes of popcorn. Club members have found that one 2-pound bag of un-popped corn will produce about 28 boxes of popcorn. How many boxes of popcorn will most likely be produced by 2 1/2 bags of un-popped corn?

• 42
• 56
• 35
• 70

Tags

CCSS.5.NBT.B.7

The owner of a pizza place recorded the types of pizzas the first 100 customers ordered on Monday. He found that 60 of the customers ordered a pepperoni pizza. Based on these results, how many of the first 20 customers on Tuesday can be expected to order a pepperoni pizza?

• 7
• 12
• 33
• 40

Lee made 14 of his last 30 three-point shot attempts during the first six games of the basketball season. Based on these results, how many three-point shots can Lee expect to make out of his next 45 shots?

• 15
• 16
• 31
• 21

Sonya purchased 3/4 pound of pecans for $5.40. What is the cost of 1 pound of pecans?

• $4.05
• $7.20
• $16.05
• $19.20

Tags

CCSS.7.RP.A.1

Marsha sells leather handbags on her website. She bought the handbags for $65 each and includes a 60% markup to get the selling price. What is the selling price for one leather handbag to the nearest dollar?

• $104
• $39
• $108
• $125

Tags

CCSS.6.RP.A.3C

Melanie's food bill at a restaurant is $28.45. The sales tax rate is 6%. If she added 20% of the amount for a tip, what is the total cost of the meal?

• $1.71
• $30.16
• $6.03
• $36.19

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

CCSS.7.RP.A.3