SOLUTION: 1 - If a train is traveling at 90 miles per hour, how many feet is it traveling per second? Problem Solving... 2 - cameron white traveled 325 miles in 6 1/4 hours. what was his

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Question 826778: 1 - If a train is traveling at 90 miles per hour, how many feet is it traveling per second? Problem Solving...
2 - cameron white traveled 325 miles in 6 1/4 hours. what was his average speed per hour?
3 - a pole that is 9 feet tall casts a shadow that is 6 feet long. at the same time a tree casts a shodow that is 20 feet long. how tall is the tree?


How do I work this equation?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
1 - If a train is traveling at 90 miles per hour, how many feet is it traveling per second?
Find how many feet in 1 hr, then find how many in 1 sec
90%2A5280%29%2F3600 = 132 ft/sec
:
2 - cameron white traveled 325 miles in 6 1/4 hours.
what was his average speed per hour?
You should know that speed = dist/time
s = 325%2F6.25
:
3 - a pole that is 9 feet tall casts a shadow that is 6 feet long. at the same time a tree casts a shodow that is 20 feet long. how tall is the tree?
Use the relationship of sides of similar triangles
let = height of the tree
t%2F9 = 20%2F6
Cross multiply, find t