IXL | Solve one-step equations: word problems

Becky's grandfather has a very old pet tortoise. He told Becky that the tortoise was 61 years old when she was born 10 years ago. Becky is amazed and wants to know how old the tortoise is now.

Which equation can Becky use to find the tortoise's age

–

Solve this equation for

to find the tortoise's age.

years

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Learn with an example

question

At Wild West amusement park, Jake's favorite ride is the Blazing Bullet roller coaster. There are 6 cars on the Blazing Bullet, and each car can hold the same number of people. A total of 60 people can ride on the Blazing Bullet at one time.

Which equation can you use to find the number of people

each car can hold?

–

Solve this equation for

to find the number of people each car can hold.

people

solution

To decide which equation you can use to find

look for numbers and words in the problem that talk about the number of cars and people.

At Wild West amusement park, Jake's favorite ride is the Blazing Bullet roller coaster. There are 6 cars on the Blazing

Bullet,

and each car can hold the same number of

people.

A total of 60 people can ride on the Blazing Bullet at one time.

There are 6 cars and each car can hold

people. In all, 60 people can ride. This can be represented by an equation using multiplication.

6	⋅	n	=	60

Number of cars		Number of people in each car		Total number of people

The product

can also be written as

so you can use the equation

to find the number of people each car can hold.

Solve this equation for

Divide both sides by 6

Each car can hold 10

people.

Looking for more? Try these:

Lesson: Solving equations

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Teacher tools

Work it out

Not feeling ready yet? These can help:

AA.16Write a one-step equation: word problems

AA.8Solve one-step addition and subtraction equations with whole numbers

AA.9Solve one-step multiplication and division equations with whole numbers

Lesson: Solving equations

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