Solving One-Step Equations with Rationals in Real Life

A store sells pencils for $0.75 each. If you buy x pencils and spend $3.00, how many pencils did you buy?

• 5

• 2

• 6

• 4

The temperature is 5 degrees below zero. If the temperature increases by x degrees and becomes 2 degrees, what is the value of x?

• 10

• 5

• 3

• 7

A recipe calls for 2.5 cups of flour. If you have x cups of flour and you need to buy 1.5 more cups, how much flour do you currently have?

• 2 cups

• 1 cup

• 3 cups

• 0.5 cups

A car travels at a speed of 60 miles per hour. If it travels for x hours and covers 180 miles, how long did it travel?

• 3 hours

• 2 hours

• 5 hours

• 4 hours

You have $20. You spend x dollars on a book. If you have $12 left, how much did the book cost?

• 10

• 15

• 5

• 8

A swimming pool is filled with water. If it currently has 150 gallons and you add x gallons, the total becomes 200 gallons. How many gallons did you add?

• 25

• 100

• 50

• 75

A gardener has x plants. If he buys 3 more plants and now has 12 plants, how many plants did he start with?

• 10

• 8

• 7

• 9

A box contains x chocolates. If you eat 2.5 chocolates and have 7.5 left, how many chocolates were in the box originally?

• 8

• 5

• 12

• 10

A train leaves the station at 3:00 PM. If it travels for x hours and arrives at 5:30 PM, how long was the journey?

• 1 hour

• 3 hours

• 4.5 hours

• 2.5 hours

You have a total of x marbles. If you give away 4 marbles and have 10 left, how many marbles did you start with?

• 10

• 12

• 14

• 16