Tuesday, November 11, 2014

Joanne's Proportion Problems

19) The ratio of an objects 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?

let x be his weight on the moon





He weighed 27.5 pounds on the moon.


3) Three tea bags are needed to make a gallon of iced tea. How many tea bags are needed to make four gallons?

let x be the amount of tea bags needed to make four gallons.



12 bags are needed to make four gallons.


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



1 comment:

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

    The width of the reduced copy is 12 cm.

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