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Pablo 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 5 minutes, and each lap he swims takes him 2 minutes. he wants to exercise for at least 45 minutes today write an inequality

Respuesta :

apologiabiology
5r=time he runs
2s=time he swims

total must be at least 45

5r+2s≥45

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