Alexia's Percent Post

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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? 

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Alexia's Rate and Unit Rate Problems

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Group Unit Rate:
a.) Simon is planning to build a penguin shelter that could fit 400 penguins. There is a total of 20 miles of space to build the shelter. If Simon wants to build seperate shelters for the penguins, how will he divide 20 miles of space to fit 400 penguins?

 

Group Rate:
a.) There is 15 volleyball teams in a school. There is a total of 120 players altogether. How many players is there in 7 teams?


My Unit Rate:
a.) Joey just finished his 5 month contract for unlimited data on his phone. He had a rate of $280/5 months. If he pays at the same rate, how much would it cost if he added 1 more month to his Contract?

My Rate:
a.) My car used up 80.5L of gas in 900km. My friend used up 40L of gas in 450km. Who has the better fuel mileage? Answer both car's L/50km rate.

Proportions- Basic examples of proportion and word problems

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