I need help setting up the equation.

distance=rate*time

d=rt

136=48t

136=60t

136/48=t

2.8333... hours

136=60t

136/60=t

2.2666...hours

add the two times together

2.8333...

+ 2.2666...

_____________

5.0999...=5.1 hours

another solution...

136/48+136/60=t

find a common denominator

60=2*2*3*5

48=2*2*2*2*3

LCD=2*2*2*2*3*5=240

136/48=680/240

136/60=544/240

680/240+544/240=t

1224/240=t

5.1=t

t=5.1 hours

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