Review Proportions

An ice cream shop keeps track of the various orders in the table. What percent of customers choose vanilla ice cream?

• 32.5 %

• 45%

• 36%

• 58%

At Kingwood Middle School, 25% of the 124 students Mrs. Gonzales teaches buy their lunches in the cafeteria. How many students do NOT purchase their lunches in the cafeteria?

• 31 students

• 68 students

• 93 students

• 45 students

The Spring Fling dance sold 176 tickets during the first two days of sales. This was 32% of the total sales. How many tickets were sold to the Spring Fling dance?

• 620 tickets

• 550 tickets

• 380 tickets

• 510 tickets

The price of cable TV has risen over the past 20 years. What is the approximate percent increase from 1990 to 2010?

• 300%

• 280%

• 250%

• 200%

Solve the proportion.

• n=6

• n=24

• n=7

• n=8

The ratio of black keys to white keys on a piano is 5 to 7.  Complete the table to create additional equivalent ratios.

d

c

e

f

55

63

84

28

35

21

The ratio of black keys to white keys on a piano is 5 to 7.  Complete the table to create additional equivalent ratios.

d

c

e

f

35

63

21

84

55

28

Solve for the variable:

• 41

• 43

• 47

• 49

The cost of 54 tickets to a water park is $972. Each ticket costs the same amount.

Which table or equation represents the relationship between the number of tickets, t, and the total cost of the tickets, c?

Select TWO correct answers.

Tags

6.6.C

What is the constant of proportionality

• k = y/x

• k = 1/7

• k = 7

• k = 63