GracyM560329 GracyM560329

29-10-2022
Mathematics

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For his exercise today, Lamar plans to both run and swim. Let r be the number of laps he runs and let s be the number of laps he swims each lap he runs takes him 4 minutes, and each lap he swims takes him 3 minutes.He wants to exercise for at least 30 minutes today. Using values and variables given, write an inequality describing this

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AlyasD269371 AlyasD269371

29-10-2022

Since he wants to exercise for at least 30 minutes, the number of laps he runs multiplied by 4 plus the number of lap he swims multiplied by 3, must be equal or greater than 30 minutes.

We have:

[tex]4\cdot r+3\cdot s\ge30[/tex]

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