Connect Ratios, Rate, and Unit Rate

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

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CCSS.HSF-LE.A.1B

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CCSS.6.RP.A.3B

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CCSS.6.RP.A.3B

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CCSS.6.RP.A.3B

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CCSS.6.RP.A.3B

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CCSS.6.RP.A.3A

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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CCSS.6.RP.A.3A

• 5:12
• 7:12
• 5:7
• 7:5

20 pencils

24 pencils

96 pencils

48 pencils

• 20 pencils

• 24 pencils

• 96 pencils

• 48 pencils