Homework for 11/11-11/15

Serena typed 255 words in 5 minutes. If Serena typed at a constant rate, how many words did she type per minute?

• 1,275

• 51

• 250

• 260

Jo bought 5 donuts for $4.90. What is the unit price?

• .90

• 9.90

• .98

• .10

T-shirts are on sale, 3 for $45. Based on the unit price, how much are 7 T-shirts?

• $21

• $55

• $9.42

• $105

The ratios below show the ratios of red marbles to blue marbles in 4 jars.

Jar 1 3 : 2

Jar 2 4 :3

Jar 3 5 : 4

Jar 4 7 : 6

Which jar could contain 15 red marbles and 12 blue marbles?

• Jar 1

• Jar 2

• Jar 3

• Jar 4

Look at the table of costs for different size bottles of salad dressing.

Which size has the least cost per ounce?

• 12 oz

• 16 oz

• 28 oz

• 30 oz

Look at the tables of values below.

Which set of values do NOT belong to this table?

• 
• 
• 
• 

The ratio of boys to girls in the school band is 4:3. If there are 16 boys, how many girls are in the band?

• 10

• 12

• 16

• not here

If the ratio of the number of small dogs to the number of large dogs at the animal shelter is 9 to 5, which of the following is the possible number of small dogs and large dogs at the animal shelter?

• 10 small dogs, 18 large dogs

• 18 small dogs, 10 large dogs

• 15 small dogs, 32 large dogs

• 32 small dogs, 15 large dogs

A rectangle is made up of green and red tiles. The ratio of green tiles to red tiles is 3:4. Which of the following could be the number of green tiles in the rectangle?

• 10

• 16

• 24

• 65

A set of 6 number cards contains the numbers 2, 5, 7, 8, 9, and 11. Which ratio is less than the ratio of odd number cards to total cards in the set?

• $\frac{7}{8}$

• $\frac{2}{3}$

• $\frac{7}{9}$

• $\frac{3}{5}$