Question 967395
A car travels <i>r</i> miles. A second car traveling <i>k</i> mph faster than the first car.makes the same trip in <i>h</i> hr less time. Find speed of each car.



____________________rate___________time__________distance
SLOW________________r_______________t____________d
FAST________________r+k____________t-h___________d


r, unknown
k, 10
t, unknown
h, 1
d, 120


Uniform rates travel rule is RT=D...


{{{system(rt=d,(r+k)(t-h)=d)}}}


Solve the system for the two unknown variables, t and r.