Exploring Adding and Subtracting Rational Expressions

What is the first step in solving a real-world word problem involving one-step equations?

• Check your answer

• Solve the equation

• Choose a variable

• Write an equation

In the problem where 17 golfers were eliminated and 38 golfers remained, what operation is used to find the initial number of golfers?

• Subtraction

• Division

• Addition

• Multiplication

Mandy's puppy gained 28 pounds and now weighs 71 pounds. What was the puppy's initial weight?

• 43 pounds

• 28 pounds

• 71 pounds

• 99 pounds

What is the least common denominator (LCD) used in the problem involving mixed numbers and fractions?

• 4

• 5

• 3

• 2

Sam's car averages 24 miles per gallon. How many gallons will he need for a 300-mile trip?

• 15 gallons

• 12.5 gallons

• 20 gallons

• 10 gallons

If Jordan scored 87 points and Alex scored three times as many points, how many points did Alex score?

• 435 points

• 174 points

• 261 points

• 348 points

Melissa sold 29 homes in 2019, which was 7 fewer than in 2018. How many homes did she sell in 2018?

• 42 homes

• 22 homes

• 29 homes

• 36 homes

Katya sold fruit baskets for $16 each and raised $368. How many baskets did she sell?

• 20 baskets

• 23 baskets

• 30 baskets

• 25 baskets

Mrs. Johnson deposited a $175 check, and her balance is now $724. What was her balance before the deposit?

• $699

• $649

• $549

• $599

Remmy ran a 5-mile race at an average of 9.2 minutes per mile. What was her total time?

• 40 minutes

• 46 minutes

• 36 minutes

• 50 minutes