Asked by AD12
Christian drives 120 miles in the same length of time while Julius drives 200 miles. If the speed of Julius exceeds that of Christian by 35mph, find the speed of each
Answers
Answered by
Steve
since speed = distance/time,
120/c = 200/j
j = c+35
so,
120/c = 200/(c+35)
120(c+35) = 200c
120c + 120*35 = 200c
80c = 120*35
c = 3/2 * 35 = 52.5
120/c = 200/j
j = c+35
so,
120/c = 200/(c+35)
120(c+35) = 200c
120c + 120*35 = 200c
80c = 120*35
c = 3/2 * 35 = 52.5
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