Proportions and Measurement Conversions

A train traveled at a constant speed for six hours and traveled a distance of 408 miles. What is the best estimate of the number of miles the train could travel in 2.5 hours?

• 170 miles

• 63 miles

• 125 miles

• 163 miles

Luciana draws a map of her neighborhood. She uses a scale to show 1 inch equals 5 miles. What distance on Luciana's map should represent the 3 miles between her house and the park?

• 5 inches

• 3 inches

• 10.5 inches

• 0.6 inches

A farmer can prepare a ¹/₂ acre of soil in 3 days. How long will it take him to prepare 2 ¹/₄ acres of soil?

• 63 days

• 13.5 days

• 10.5 days

• 6 days

A random survey showed that 35 out of 52 people plan to vote for Mr. Powell for Mayor. About how many people voted in the election, if 525 voted for Mr. Powell?

• 780 people

• 170 people

• 100 people

• 600 people

Joey is 4 feet 8 inches tall. There are 2.54 centimeters in 1 inch. What is Joey's height in centimeters?

• 142.24 centimeters

• 152.4 centimeters

• 157.48 centimeters

• 172.8 centimeters

Answer explanation

Joey's height in centimeters can be calculated by multiplying his height in inches (4 feet 8 inches) by the conversion factor of 2.54 centimeters per inch. Therefore, Joey's height in centimeters is 142.24 centimeters, which is the correct choice.

14pt = ___________ qt

• 7 qt

• 28 qt

• 56 qt

• No correct answer

R2D2 is 109 cm. What is height in inches (2.5cm=1inch). Round to nearest 10th.

3,300 m = ? km

Mathematical Equivalence

ON

Mathematical Equivalence

ON