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slamgirl [31]
3 years ago
8

Tracy is running in a 5.25-kilometer race on Saturday. A marathon is approximately 42 kilometers. How many time as long as Tracy

's race is a marathon?
Mathematics
1 answer:
Naddik [55]3 years ago
8 0

Answer:

i needed points sorry

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March, April, and May correspond to 3,4, and 5th months.  Each month the amount of money he saves increases by $40, so this is a constant rate of change, or constant velocity, which means that this is a linear equation.  Let y=the amount of money he has and x=the month number and model it with the line of form y=mx+b, where m=slope, or rate, and b=y-intercept...

y=40x+b, we know that he has $40 on the third month (February) so:

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Now you want to know when he has $320...

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10=x

So he will have $320 on the 10th month, which is October.
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