IXL | Solve one-step and two-step equations: word problems

At the start of her shift at Midtown Bakery, Megan made some batches of cookies that called for 3 cups of flour each. Then, she used the remaining 8 cups of flour she had to make a pan of muffins. She started her shift with a 20-cup bag of flour.

Which equation can you use to find how many batches of cookies,

Megan made?

(

)

(

)

How many batches of cookies did Megan make?

Write your answer as a whole number or a simplified

fraction.

batches of cookies

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Learn with an example

question

At the school's holiday craft fair, Ariel and her classmates get to make gingerbread houses. Their teacher divides a bag of licorice ropes evenly among the 9 students at the table. Each student gets 3 licorice ropes to decorate the roof of his or her gingerbread house.

Which equation can you use to find the number of licorice ropes

that came in the bag?

–

Solve this equation for

to find the number of licorice ropes that came in the bag.

licorice ropes

solution

To decide which equation you can use to find

look for numbers and words in the problem that talk about students and licorice ropes.

A bag containing

licorice ropes is divided evenly among 9 students. Each student gets 3 licorice ropes. This can be represented by an equation using division.

r	÷	9	=	3

Number of licorice ropes in the bag		Number of students		Number of licorice ropes each student gets

Division can also be written using a fraction, so the equation

can also be used to find the number of licorice ropes in the bag.

Solve this equation for

Multiply both sides by 9

So, 27 licorice ropes came in the bag.

Looking for more? Try these:

Lesson: Solving equations

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Teacher tools

Work it out

Not feeling ready yet? These can help:

T.12Choose two-step equations: word problems

M.8Solve two-step equations

K.4Write variable expressions: word problems

L.9Identify equivalent linear expressions: word problems

Lesson: Solving equations

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