Question 1136612
USED WRONG DATA - MISREAD PROBLEM DESCRIPTION

<pre>
sarah        60          <s>x+1/2         60x+60*(1/2)</s>
sister       75          x             75x
</pre>

<s>Sarah traveled {{{60/2=30}}} miles until Sister began.</s>
Approach rate of sister {{{75-60=15}}} mph;


{{{cross(15x=30)}}}

{{{cross(x=30/15)}}}

{{{cross(x=2)}}}{{{cross(hours)}}}