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matrenka [14]
3 years ago
7

Roger just ran 5 laps. He is at 20% of his goal.

Mathematics
1 answer:
Vladimir79 [104]3 years ago
3 0

Answer: 20 laps

Step-by-step explanation:

Given

Roger just ran 5 laps and completes 20% of his goal

Suppose his goal is x laps

So, 20% of x must be equal to 5

\Rightarrow 20\%\times x=5\\\Rightarrow 0.2x=5\\\\\Rightarrow x=\dfrac{5}{0.2}\\\\\Rightarrow x=\dfrac{50}{2}\\\\\Rightarrow x=25\ \text{laps}

So, he needs 20 more laps to complete his goal.

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Step-by-step explanation:

Each short segment is the same length as the marked one it is parallel to.

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