Quiz 3.7.3 Proportional Reasoning

8 Questions | By Annacabral | Last updated: Jul 30, 2011 | Total Attempts: 506

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This quiz is on proportions and scale factor.

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1.

In Ms. Cabral's period 1 class, there are 15 girls and 12 boys. Use this information to answer questions 1 - 3.What is the ratio of girls to boys in lowest terms?
- A.
  
  5/4
- B.
  
  4/5
- C.
  
  5/9
- D.
  
  4/9
- E.
  
  9/4
2.

In Ms. Cabral's period 1 class, there are 15 girls and 12 boys. Use this information to answer questions 1 - 3.What is the ratio of boys to girls
- A.
  
  5/4
- B.
  
  4/5
- C.
  
  5/9
- D.
  
  4/9
- E.
  
  9/4
3.

In Ms. Cabral's period 1 class, there are 15 girls and 12 boys. Use this information to answer questions 1 - 3.What is the ratio of girls to total students in lowest terms?
- A.
  
  5/4
- B.
  
  4/5
- C.
  
  5/9
- D.
  
  4/9
- E.
  
  9/4
4.

Solve the following proportion for x.3 =154 xJust enter the numerical value of x.
5.

Solve the following proportion for x. 8 = x6 9
6.

You are making a scale model of a building. The windows of the building are 6 feet wide and 8 feet tall. On your scale model, the windows are 3 inches wide. How many inches tall are the windows on the scale model?

Discuss
7.

You want to proportionally resize a picture that was originally 4 inches tall by 6 inches wide. If your new picture is 8 inches tall, how many inches wide would it be?
8.

If 6 pencils cost $2.00, how many dollars would 18 pencils cost at the same cost per pencil. Just give the answer numerically.