contestada

two boys who live 14 miles apart start at noon to walk toward eachother at rates of 3 mph and 4 mph respectively. in how many hours will they meet?

1 hr
2 hr
3 hr

Respuesta :

x/3=(14-x)/4
4x=3(14-x)
4x=42-3x
7x=42
x=6 miles 
x/3=6/3=2hours (time till the boys meet)
AmazingAmbee

Answer:

2 hours

Step-by-step explanation:  3*2= 6     4*2=8     6+8= 14

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