Tuesday, December 15, 2009

How I stopped an Alien Invasion using Proportion !


When Aldrine, Emmanuel, Josh, Argie and I was going long driving to California, we got stopped by very scary aliens in the mountains of Utah.

 They said in some sort of language that they wouldn't let us through unless we would answer 3 questions. I don't know how but Emmanuel knew what they were talking about. Thats how I know what they said.

The questions were: 


was paid $35 for 5 hours of babysitting. How much should she 
receive for 3 hours? Use a unit rate to find the

David can saw alog into 3 pieces in 7 minutes. If he continous sawing at a constantrate. how long would it take him to saw a similar log into 6 pieces?

A small gear turns 18 times in the same time a large gear turns 4 times. How many times will the large gear turn if the small gear turns 54 times? Draw a diagram to help set up a proportion and solve the problem.

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