Tuesday, November 11, 2014

Alexia's Proportion Problems

An amusement park line is moving about 4 feet every 15 minutes. At this rate, approximately hong long will it take for a person at the back of the 50 foot line to reach the front of the line?

Let X be the number of minutes for the person at the back of the line to reach the front.
word ratio, ratio notation, ratio table, proportion table, find answer
It will take 187.5 minutes for the person at the back of the line to reach the front.



A diagram measuring 20cm long is reduced on a copy machine to 15cm long. If the width of the original copy is 16cm, what is the width of the reduced copy?

Let X be the width of the reduced copy
word ratio, ratio notation, ratio table, proportion table, find answer

The width of the reduced copy is 12cm.


The ratio of an object's weight on earth to its weight on the moon is 6:1. The first person to walk on the moon was Neil Armstrong. He weighed 165 pounds on earth. How much did he weigh on the moon? 

2 comments:

  1. UnknownNovember 12, 2014 at 3:08 PM

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  2. UnknownNovember 12, 2014 at 3:10 PM

    sorry wrong answer

    The ratio of an object's weight on earth to its weight on the moon is 6:1. The first person to walk on the moon was Neil Armstrong. He weighed 165 pounds on earth. How much did he weigh on the moon? 

    I did this question the answer was 27.5

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