Checkin A - Mock (1-11) Form B

A gardener is planting a flower bed and wants the ratio of roses to tulips to be 2 ¹/₄ : 3 ³/₈. Calculate the unit rate of roses to tulips and use that information to determine which of the following statements are true. Select ALL that apply.

• For every 2 roses, there are 1 ¹/₂ tulips.

• If the gardener plants 10 roses, they should plant 15 tulips.

• The unit rate of tulips to roses is ³/₂.

• A flower bed with 20 flowers must contain 8 roses.

Tags

NC.7.RP.1

David is preparing for a camping trip. The outdoor store is having a sale on the following items:

• Flashlights: 2 pack for $9.00

• Batteries: 4 pack for $2.80

• Lanterns: 1 pack for $15.00

Calculate the unit rate of these items, and use that information to select ALL of the following statements that are correct. If necessary, round to the nearest penny.

• David will spend $18.00 on flashlights if he buys 4 flashlights.

• David will spend $7.00 on batteries if he buys 10 batteries.

• David's total cost will be $26.80 if he buys 1 pack of flashlights, 2 packs of batteries, and 1 lantern.

• David can buy 6 packs of batteries for $20.

Tags

NC.7.RP.1

Sarah bought 4 ¹/₅ pounds of chicken for $13.86. What is the price per pound of the chicken? Round your answer to the nearest cent, if necessary.

Mathematical Equivalence

ON

Tags

NC.7.RP.1

A student reads 75 ¹/₄ pages in 2 ¹/₂ hours. What is the student's reading rate in pages per hour? Round to the nearest full page.

Mathematical Equivalence

ON

Tags

NC.7.RP.1

A mountain climber is at an elevation of 14,250 feet. They ascend another 850 feet. They then descend ²/₅ of their new elevation to reach a base camp. What are the climber's elevations after the initial ascent and after the descent to the base camp?

(a)   ​ (b)  

• 15,100 feet
• 13, 400 feet

• 9,060 feet
• 6,040 feet

Tags

NC.7.RP.3

Using this information, which of these statements are true (Choose All that are correct)

• The constant of proportionality for Cozy Candles data is $4.00 per candle.

• The constant of proportionality for the Today’s Bliss data is $0.50 per candle.

• The data shown for Cozy Candles represents a non-proportional linear relationship.

• The data shown for the Today’s Bliss represents a non-proportional linear relationship.

• The equation that represents the Today’s Bliss data is y = 0.5x.

Tags

NC.7.RP.2

A bakery makes a cake for $8 in ingredients and sells it for $24. What is the markup rate?

Mathematical Equivalence

ON

Tags

NC.7.RP.3

David purchased a pair of shoes for $79.95, including a 7.25% sales tax. What was the original price of the shoes? (Round to the nearest penny)

Mathematical Equivalence

ON

Tags

NC.7.RP.3

A farmer harvested an average of 400 bushels of corn per acre last year. They used a new fertilizer, and their corn yield has increased by 15%. How many bushels of corn per acre are they harvesting this year?

Mathematical Equivalence

ON

Tags

NC.7.RP.3

A factory produced 300 toys in 2 ¹/₂ hours. What was the factory's average production rate in toys per hour?

Mathematical Equivalence

ON

Tags

NC.7.RP.1