SOLUTION: If I can drive 630 miles in 10.5 hours, how many miles can I drive in 4 hours?

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Question 333584: If I can drive 630 miles in 10.5 hours, how many miles can I drive in 4 hours?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
If I can drive 630 miles in 10.5 hours, how many miles can I drive in 4 hours?
:
You can use a simple ratio equation, let d = dist in 4 hr
d%2F630=4%2F10.5
Cross multiply
10.5d = 630 * 4
10.5d - 2530
d = 2520%2F10.5
d = 240 miles
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:
You can confirm this by finding the speed
630%2F10.5 = 60
60 * 4 = 240 mi