Exploring Unit 4 Lesson 2: Adding and Subtracting Rational Expressions

What is the reciprocal of 5/3?

• 3/5

• 5/3

• 1/5

• 1/3

If a train travels 7.5 kilometers in 6 minutes, how far does it travel in one minute?

• 1.25 km

• 1.5 km

• 1.75 km

• 2 km

What is the constant of proportionality (k) when the train travels 7.5 km in 6 minutes?

• 7.5/6

• 6/7.5

• 5/4

• 4/5

Lynn runs 2 and 3/4 miles in 2/5 of an hour. What is her speed in miles per hour?

• 6.5 mph

• 7 mph

• 5.5 mph

• 6.875 mph

Noah runs 8 and 2/3 miles in 4/3 of an hour. What is his speed in miles per hour?

• 7.25 mph

• 7 mph

• 6.75 mph

• 6.5 mph

What are the dimensions of the Mona Lisa in inches if it measures 2.5 feet by 1.75 feet?

• 30 by 21 inches

• 25 by 18 inches

• 28 by 20 inches

• 32 by 22 inches

What is the scale factor from the real Mona Lisa to its copy on an 11 by 9 inch notebook cover?

• 11/30

• 9/21

• 7/21

• 10/30

A cyclist rode 3.75 miles in 0.3 hours. What was her speed in miles per hour?

• 11.5 mph

• 13 mph

• 12.5 mph

• 10 mph

How much grape juice is needed to mix with 15 quarts of sparkling water if the ratio is 1:2?

• 7.5 quarts

• 10 quarts

• 12.5 quarts

• 15 quarts

Which meat is the least expensive per pound if 1.75 pounds of ham costs $14.50, 2.5 pounds of turkey costs $26.25, and 0.375 pounds of roast beef costs $5.50?

• Ham

• Roast Beef

• All are equally expensive

• Turkey