SOLUTION: Suzi drove home at 60 mph, but her brother Jim, who left at the same time, could drive at only 48 mph. When Suzi arrived, Jim still had 60 miles to go. HOw far did Suzi drive?
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Question 222635: Suzi drove home at 60 mph, but her brother Jim, who left at the same time, could drive at only 48 mph. When Suzi arrived, Jim still had 60 miles to go. HOw far did Suzi drive? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Suzi drove home at 60 mph, but her brother Jim, who left at the same time, could drive at only 48 mph. When Suzi arrived, Jim still had 60 miles to go. HOw far did Suzi drive?
;
Let d = dist driven by S
then
(s-60) = dist driven by J
: =
Cross multiply
60(d-60) = 48d
:
60s - 3600 = 48s
:
60d - 48d = 3600
d =
d = 300 miles driven by S
:
:
check solution by finding the times
300/60 = 5 hrs
240/48 = 5 hrs also
