Question 315041
Rate*Time=Distance
{{{R1*T=D1}}}
{{{R2*t=D2}}}
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{{{R2=R1+10}}}
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{{{T=4}}}
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Start with the distance equation,
{{{D1+D2=460}}}
Substitute,
{{{R1*4+(R1+10)*4=460}}}
Divide by 4
{{{R1+R1+10=115}}}
{{{2R1+10=115}}}
{{{2R1=105}}}
{{{R1=52.5}}} kph
{{{R2=62.5}}} kph