Open Up - Grade 7 - Mathematics - Unit 4 - Lesson 12

A music store marks up the instruments it sells by 30%.If the store bought a guitar for $45, what will be its store price?(Round to the nearest cent.)

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7.RP.3

A music store marks up the instruments it sells by 30%.If the price tag on a trumpet says $104, how much did the store pay for it?(Round to the nearest cent.)

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7.RP.3

A music store marks up the instruments it sells by 30%.If the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?

• Yes it was a 30% mark up
• No it was more than a 30% mark up
• No it was less than a 30% mark up

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7.RP.3

A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77.How much was the tip in dollars?(Round to the nearest cent)

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7.RP.3

A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77.How much was the tip as a percentage of the bill? (Round to the nearest decimal)

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7.RP.3

The price of gold is often reported per ounce. At the end of 2005, this price was $513. At the end of 2015, it was $1060. By what percentage did the price per ounce of gold increase?(Round to the nearest whole %)

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7.RP.3

A phone keeps track of the number of steps taken and the distance traveled. Based on the information in the table, is there a proportional relationship between the two quantities?

• Yes, there is a proportional relationship.
• No, there is no proportional relationship.

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7.RP.3

Noah picked 3 kg of cherries. Mai picked half as many cherries as Noah.How many total kg of cherries did Mai and Noah pick?

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7.RP.3