Converting Units

How many yards are in 1 mile?
(Hint:  3 ft = 1 yd and 5280 ft = 1 mi)

• 1670 yds
• 5280 yd
• 1760 yds
• 5820 yds

Convert 14 gal/50 sec to quarts/hour

• 225 qt/hr
• 4032 qt/hr
• 16.8 qt/hr

Which line shows a proportional relationship between x and y?

• Line L
• Line M

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09
• 20.36
• 8.12
• 28.36

345 ft/min = ________ ft/hour

• 20,700 feet/hour
• 5.75 feet/hour

64 miles/hour ≈ ___________feet/second

• 337,902 feet / second
• 93.86 feet / second
• 5632 feet / second

110 miles/hour = _______ miles/day

• 4.58 miles/day
• 6600 miles/day
• 2640 miles/day

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2