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Tools 03/09 Rate of Change Autumn had a math homework assignment each day last week. Each assignment had a different number of problems and took her a different amount of time to complete, as shown by the table below. Number of Problems Time to Complete (min) 21 7 14 42 Cor 21 63 28 84 105 35 If Autumn spent the same amount of time on each problem, how long did it take her to complete one math problem? OA. 7 minutes OB. 10 minutes OC. 3 minutes OD. 2 minutes

User Korbbit
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We can see in the table that the number of problems is one third of the time to complete them. Then, the ratio would be 3 min : 1 problem. So the answer is the option C.

Tools 03/09 Rate of Change Autumn had a math homework assignment each day last week-example-1
User Grantc
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