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Lynna [10]
3 years ago
6

David and Carlo ran laps to train for the long-distance running team. The ratio of the number of laps David ran to the number of

laps Carlo ran was to . If David ran miles, what percentage of the total number of miles did Carlo run?
Mathematics
1 answer:
weeeeeb [17]3 years ago
8 0

Answer:

Carlo ran 33.3% of the miles.

Step-by-step explanation:

It sounds like David ran 2 laps for every 1 lap that Carlo ran. So, for every 1 mile that Carlo ran, David ran 2 miles, which means if you add both miles together: 1 mile (Carlo) + 2 miles (David) = 3 miles, that Carlo ran 1/3 of the miles, and David ran 2/3 of the miles. In percentages, it means Carlo ran 1/3=0.333 or 33.3% and David ran 2/3=0.666 or 66.6%

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Step-by-step explanation:

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Answer:

y=3,x=1.3,z=6.2 :)

Step-by-step explanation:

y=3,x=1.3,z=6.2 :)

So, we have:

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(I'm going to assume that you know how to solve equations with 2 variables)

1. eliminate a variable to get 2 variables

Let's reverse equation 2:

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Answer:

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Step-by-step explanation:

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uysha [10]

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The data given is representative of a scatter plot, which shows a relationship with two sets of data that, when using a line of best fit, will show either a positive correlation (increasing), a negative correlation (decreasing) or no correlation (the data shows no overall pattern).  In this case, you can see that the overall pattern of data is increasing, or a positive correlation.  Which means that, in general, the more hours of homework you do, the more likely you are to receive a better test score.  

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