Showing posts with label Joanne 8-17. Show all posts
Showing posts with label Joanne 8-17. Show all posts

Monday, December 8, 2014

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?



Tuesday, November 4, 2014

Joanne's rate and unit rate problems

1) There were 400 penguins per 20 miles. The amount of penguins that showed up were equal to 70 more miles. How many more penguins showed up? Solve using unit rate.

2) Leandro owns 20 houses per streets. He owns 12 streets. How many houses does he own?




3) Bob can hit a bucket of 323 golf balls in 17 hours. How many golf balls can Bob hit in 23 hours?

4) Candice's heart beats 30 times in 6 minutes. How many times does her heart beat in a minute?