2-5 Compare Proportional Relationships

Delicious Deli and Magnificent Market both sell potato salad by the pound. The table shows how much Delicious Deli charges and the graph shows how much Magnificent Market charges. Who charges less per pound?

(a)  

• Delicious Deli
• Magnificent Market

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The school is building new beach volleyball courts and are looking at companies that can deliver a lot of sand. The cost, y, of buying x cubic yards of sand from Salty Sand is shown in the table. The equation y=29x describes the cost of sand from Sandy Shoes. Which company is the better buy?

​ (a)  

• Sandy Shoes
• Salty Sand

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Jeff and Karen are both tutors. They each charge different hourly rates. Jeff earns $90 for every 4 hours he tutors. The graph shows how much Karen earns. Who makes more per hour?

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Your local bakery is testing two different bread recipes. The equation y=5.25x describes how much flour the Quick Bread recipe calls for. The graph shows how much flour the Fast Bread calls for. Which recipe uses less flour per loaf of bread?​ (a)  

• Fast Bread
• Quick Bread

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Mike and Stephanie are training for a race next month. The equation y=2.8x describes the number of meters, y, that Mike can run in x seconds. The graph shows the distance Stephanie can run over time. Who can run faster?

​ (a)  

• Stephanie
• Mike

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A factory makes wireless earbuds and headphones. There is a proportional relationship between the number of each item the factory produces and the cost of production. It costs the factory $1,050 to produce 30 pairs of earbuds. The table shows the cost to produce different numbers of headphones. Which item is more expensive to make?

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Ann and Bob each walk their dogs in the morning. The table show's Ann's rate and the graph shows Bob's rate. Who walks at a faster rate?

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Fast Internet company charges $192 every 4 months for internet services. The equation y=45.5x describes how much Quick Internet company charges. In the equation, y represents the number of dollars charged for x months of service. Who charges more per month?

​ (a)  

• Fast Internet
• Quick Internet

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Chris and Joe decide to ride their bikes around town. Chris can ride 500 feet in 20 seconds. The graph shows how fast Joe can ride. Who is slower?

​ (a)  

• Chris
• Joe

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Each day Sam rides either her road bike or her cruiser bike through the park. There is a proportional relationship between the amount of time she spends riding and the distance she travels. The equation y=175x describes how far Sam travels on her road bike. The graph shows how far Sam travels on her cruiser bike. Which bike does Sam ride faster?

​ (a)  

• road
• cruiser

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