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
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
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Vuyjky
1 answer