Twopeoplestaesatraveled in opposite directionsOne traveled at 60 mph and the other at 50 mphHow long will it take before the two people are 440 miles apart

Question

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Answer 1

Here's what we know:

D = rt (Distance equals rate * time)

D = 440 miles

r₁ = 60 ^mi/_hr

r₂ = 50 ^mi/_hr

Plug in the values:

(60 ^mi/_hr + 50 ^mi/_hr)t = 440 miles

Simplify:

110 ^mi/_hr t = 440 miles

Isolate t:

t = 440 miles * ^hr/_{110 mi}

Complete that to get the final answer.