4.4.1 Unit 4 Review

Multiple Select

In a bag of marbles, there are 4 blue marbles and 2 red marbles. Which of the following statement is true if the bag has 6 marbles in total? (Find the relationship between the red and blue marbles in the bag.)

• 4 blue : 6 red

• $$\frac{2}{3\ }blue$$

• 2 blue : 1 red

• 0.3... red

Match

The image below shows the number of cats, dogs, and birds. Based on this image, sort the statements into the correct categories. True or False The ratio of cats to birds is 2 to 6 For every 1 dog, there are 2 birds For every 3 birds, there is 1 cat The ratio of cats to dogs is 3 to 2

• The ratio of cats to birds is 2 to 6

• For every 1 dog, there are 2 birds

• For every 3 birds, there is 1 cat

• The ratio of cats to dogs is 3 to 2

True

True

True

False

• True

• True

• True

• False

Multiple Choice

A certain parking lot has only red cars and blue cars. There are 50 cars in a certain parking lot. There are 2 green cars for every 3 blue cars. How many of the cars are green?

• 40

• 20

• 10

• 30

Multiple Choice

James can type 300 words in 6 minutes. On average, how fast does James type?

• 10 words per minute

• 50 words per minute

• 40 words per minute

• 294 words per minute

Multiple Choice

Maddy and Charlie are walking from their homes to a large park. - Maddy walks 2.5 miles in 45 minutes at a steady pace. - Charlie walks 3 miles in 54 minutes at a steady pace. Which statement accurately compares their walking rates?

• Charlie walks 8 miles per minute

• Maddy and Charlie both walk 0.5 mile in 9 minutes

• Maddy walks 0.5 mile per minute slower than Charlie

• Maddy walks 18 miles per minute

Reorder

Three typists for a magazine type words at the following rates:

·       Typist A: 248 words in 6 minutes

·       Typist B: 441 words in 7 minutes

·       Typist C: 480 words in 8 minutes

Find the unit rate in words per minute of all three typists. Then, drag to sort unit rates in order from least to greatest.

• Typist A

• Typist C

• Typist B

1

2

3

• 1
• 2
• 3

Multiple Choice

To make fresh orange juice, a shopper can buy 3 pounds oranges for $7.50 per pound. What equation relates the cost, y, and the pounds of oranges, x?

• y = 7.50x

• y = 7.50 + 3

• y = 2.50x + 3

• y = 2.50x

Multiple Choice

The equation m = 15t + 10 represents the money earned, m,

for babysitting t hours with an extra tip.

Is this scenario proportional or nonproportional?

• proportional

• nonproportional

Multiple Choice

The equation y = 5x + 3 represents the number of dollars, y,

spent on x gallons of milk plus a snack bar.

Is this scenario proportional or nonproportional?

• proportional

• nonproportional

Multiple Choice

The equation d = 35t represents the distance, d, a car travels for t miles.

Is this scenario proportional or nonproportional?

• proportional

• nonproportional

Multiple Choice

The equation w = 4x represents the number of wheels, w, in x number of cars.

Is this scenario proportional or nonproportional?

• proportional

• nonproportional

Multiple Choice

Solve the proportion for x: $$\frac{2}{9}=\frac{12}{x}$$

• X = 3

• X = 24

• X = 54

• x = 44

Multiple Choice

A model train has dimensions that are proportional to a real train. - The height of the real train is 20 feet. - The height of the model train is 2 inches. - The length of the real train is 80 feet. The unit used for the real train is in feet, and the unit for the model train is in inches. What is the length of the model train?

• 10 inches

• 20 inches

• 8 inches

• 7 inches

Hotspot

The triangles ABC and PQR are similar. What is the side length QR?

Multiple Choice

55 is what percent of 104?

• X = 16.9%

• X = 52.9%

• X = 0.5288

• x = 49%

Draw

55% of the local marching band is made up of brass instruments. If there are 140 musicians in the marching band, how many of those musicians play a brass instrument?

Be sure to show your work

Multiple Choice

The original cost of a dress is $120. If you get a discount of 20%, how much will the dress cost after the discount is applied?

• $100

• $96

• $12

Match

Match the values below assuming the tax rate at this restaurant is 6%.

• $0.95

• $16.70

• $0.84

• $14.84

Sales tax of the second receipt

Total of the second receipt

Sales tax of the first receipt

Total of the first receipt

• Sales tax of the second receipt

• Total of the second receipt

• Sales tax of the first receipt

• Total of the first receipt

Draw

Jackson wants to buy a table with an original price of $200.

The table is on sale for 25% off.

A 6% tax is added to the discounted price.

What is the final cost of the couch?

Show your work

Multiple Choice

Melinda went to a restaurant with her friends where the bill was $80. She is leaving the server a 20% tip. What are the tips and the total that includes both the bill and tips?

• The tips are $16 and the total is $96

• The tips are $20 and the total is $80

• The tips are $16 and the total is $80