Question 1137086
Linda:
Distance = d = 0.5r
Rate = r
Time = 0.5
<pr>
Lynn:
Distance = 37.5 - d = 37.5 - 0.5r
Rate = r + 15
Time = 0.5
<pr>
r + 15 = (37.5 - 0.5r)/0.5
<pr>
0.5(r + 15) = 37.5 - 0.5r
<pr>
0.5r + 7.5 = 37.5 - 0.5r
<pr>
r = 30
<pr>
Linda:
Rate = r = 30 mph
<pr>
Lynn:
Rate = r + 15 = 45 mph