Question 329209
Rate*Time=Distance
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During the 3 hours, the first cyclist travels 3(6)=18 miles. 
{{{D1=18+6t}}}
{{{D2=10t}}}
Find t when D1=D2. 
{{{18+6t=10t}}}
{{{4t=18}}}
{{{t=9/2=4.25}}}
THey will meet in 4 hr 15 min.