Proportions

During the election for class president, 30% of the students voted for Lindsay, and 70% of the students voted for Sharif. A total of 400 students voted. How many more students voted for Sharif than for Lindsay?

The ratio of golf balls to tennis balls in the coach's bag is 20 to 5. If there are 100 golf balls in the bag, how many tennis balls are in the bag?

Carlos bought 20 pounds of vegetables at the farmer's market. 60% of the vegetables were organically grown. How many POUNDS of the vegetables were NOT organically grown?

Using the graph given, how much money would be given at 6 hours?

• $12

• $8

• $16

• $4

Emily is making friendship bracelets for a school fundraiser. It takes 3 hours to make 2 bracelets. How many bracelets can she make in one hour?

• 6 bracelets

• 1½ bracelets

• ⅔ bracelet

• 4 bracelets

Solve for B in the table.

• B= 40

• B= 10

• B= 9

• B= 45

Fill in the missing number into the ratio table

• 55

• 3

• 10

• 11

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

What is the ratio of the line graph shown?

• 4:1

• 2:1

• 3:2

• 8:1

Hilbert burns 120 calories per 30 minutes of weight training.  Complete the table to chart his calorie expenditure for different amounts of time. What is the value of a?

• a= 80

• a= 6

• a= 60

• a= 120