How is question C solved?

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1 Answer
Narad T.
Jun 19, 2018

The answer is #x=2.83h#

Explanation:

Question #C#

The speed is #v=d/t#

#d=vt#

First part, #d_1=120x#

Second part,

#d_2=60(3-x)#

#350=d_1+d_2#

#350=(120x)+60(3-x)#

#350=120x+180-60x#

#60x=350-180=170#

#x=170/60=2.83h#

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