Question

It takes Lucy 20 minutes to bike the pool 3 1/2 minutes per lap to swim in the pool it takes Dan 30 minutes to jog to the and 2 3/4 minutes per lap to swim in the pool how many laps must Lucy swim in order for her to spend the same amount or more minutes exercising than Dan
Depends on how many laps Dan swims. If Lucy swims L laps and Dan swims D laps, then you want L such that
20 + 3 1/2 L >= 30 + 2 3/4 D
Vuyjky

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