Question 1118790
11AM to 1:20PM is 2 hours 20 minutes.


r, bus speed
r+60, van speed


Distance used between the two was 560 kilometers.


{{{(r+r+60)*(2&1/3)=560}}}

Solve.


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{{{(2r+60)(7/3)=560}}}
{{{2r+60=(3/7)*560}}}
{{{2r+60=3*80=240}}}
{{{2r=180}}}
{{{highlight(r=90)}}}------bus's average speed
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{{{90+60=highlight(150)}}}-----van's average speed
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{{{90*(7/3)=30*7=210}}}--------how far the bus traveled from town Y.
{{{560-210=highlight(350)}}}---------how far was bus from town X after 2 hour 20 minutes