Mathematics, 29.01.2020 09:44, tgraveslaylay2743

Alifeguard spots a drowning swimmer 40 ft. from the beach. she runs 90 ft. along the beach at a speed of 15 feet per second, then jumps in the water and swims straight to the swimmer at a speed of 5 feet per second. how long does it take her to reach the swimmer?

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Alifeguard spots a drowning swimmer 40 ft. from the beach. she runs 90 ft. along the beach at a spee...