8G Math HW#12: Lesson 7.1-2 and 7.4

At Part Apartments, there are 3 maintenance workers for 150 apartments. Which of the following the ratio of maintenance workers : apartments. Express the ratio in simplest form.

• 1:50

• 50:1
  

• 1:5

• 5:1

Rizza has a large family. She has 4 cousins who live in Texas, 3 cousins who live in Nebraska, and 9 cousins who live in Michigan.

What is the ratio of Rizza's cousins who live in Texas to her cousins who live in Michigan?

• 4 to 3

• 3 to 4

• 4 to 9

• 4 to 12

• $\frac{3}{5}$

• $\frac{5}{8}$

• $\frac{5}{3}$

• $\frac{8}{5}$

Li types 75 words per minute. How many words can she type in an hour at this rate?

• 9,000 words

• 3,900 words

• 7,800 words

• 4,500 words

Write 24 pages in 15 minutes as a unit rate.

• $\frac{1.6\ pages}{\min}$

• $\frac{8\ pages}{5\ \min s}$

• $\frac{5\ \min s}{8\ pages}$

• $\frac{\min}{1.6\ pages}$

You are paid $47.25 for working 7 hours. How much are you paid per hour?

• $9.50

• $4.75

• $6.75

• $0.95

What value of x makes the ratios equivalent?

 $\frac{3}{4}\ \ and\ \ \frac{42}{x}$  

• 33.75

• 56

• 31.5

• 100.8

Solve for f

 $\frac{f}{5.4}=\frac{483}{18.9}$ 

• 533

• 169

• 473

• 138

You earn $54 moving 3 lawns. You charge the same amount for each lawn. How much would you earn if you mowed 5 lawns?

• $90

• $32.40

• $36

• $67.50

Convert 0.3% is fraction.

• $\frac{3}{1000}$

• $\frac{3}{10}$

• $\frac{3}{100}$

• $\frac{3}{10,000}$