How is question C solved?

Question

1092 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-19T05:48:35

The answer is $x=2.83h$

Question $C$

The speed is $v=d/t$

$d=vt$

First part, $d_1=120x$

Second part,

$d_2=60(3-x)$

$350=d_1+d_2$

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

$350=120x+180-60x$

$60x=350-180=170$

$x=170/60=2.83h$