Proportion Word Problems Challenge

Why is it important to stay consistent when setting up proportions?

• To make the problem more difficult

• To confuse the solver

• To make the problem look neat

• To ensure the units match on each side of the equal sign

Which of the following is a valid proportion?

• Hours on top of one side and miles on top of the other

• Miles on top of both sides and hours on the bottom of both sides

• Miles on top of one side and hours on top of the other

• Miles on the bottom of both sides and hours on top of both sides

If Pete drove 224 miles in 4 hours, how long would it take him to drive 490 miles at the same rate?

• 7.5 hours

• 10 hours

• 9 hours

• 8.75 hours

What is the word ratio used in the problem where Pete drove 224 miles in 4 hours?

• Miles to hours

• Hours to miles

• Miles to minutes

• Minutes to hours

If approximately four out of five students have cell phones, how many students would have cell phones in a class of 365 students?

• 250

• 300

• 292

• 310

What is the proportion used to find the number of students with cell phones in a class of 365 students?

• 5/4 = 365/x

• 4/5 = 365/x

• 5/4 = x/365

• 4/5 = x/365

If Melanie can run 9 laps in 28 minutes, how many laps can she run in 75 minutes?

• 24.1 laps

• 25 laps

• 30 laps

• 20 laps

What is the first step in solving the problem where Melanie runs laps in a given time?

• Convert all time units to seconds

• Convert all time units to hours

• Convert all time units to minutes

• Convert all time units to days

If 7 candy bars cost $6.23, how much would 5 candy bars cost?

• $4.45

• $5.00

• $4.00

• $5.50

What is the total cost for 5 candy bars and 4 sodas if 7 candy bars cost $6.23 and 3 sodas cost $4.47?

• $9.50

• $11.00

• $12.00

• $10.41