IXL | Solve one-step equations: word problems

After watching baking shows on T.V., Linda signs up for a cake-decorating class. To practice her new skills, she decorates a batch of cupcakes with sugar flowers. Linda puts 3 sugar flowers on each cupcake. In all, Linda puts 36 sugar flowers on the cupcakes.

Which equation can you use to find the number of cupcakes

Linda decorates?

–

Solve this equation for

to find the number of cupcakes Linda decorates.

cupcakes

ref_doc_title.

Learn with an example

question

When Quinn's parents are away celebrating their anniversary, he gets to sleepover for a week at his grandparents' house. Afterwards, Quinn decides to make his grandparents a photo album of their time together. There are 8 pages in the album. Quinn puts the same number of photos on each page, for a total of 72 photos.

Which equation can you use to find the number of photos

on each page?

–

Solve this equation for

to find the number of photos on each page.

photos

solution

To decide which equation you can use to find

look for numbers and words in the problem that talk about pages and photos.

There are 8 pages in the album, and Quinn puts the same number of photos on each page, for a total of 72 photos. This can be represented by an equation using multiplication.

8	⋅	p	=	72

Number of pages		Number of photos on each page		Total number of photos

The product

can also be written as

so you can use the equation

to find the number of photos on each page.

Solve this equation for

Divide both sides by 8

There are 9 photos on each page.

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.14Solve one-step addition and subtraction equations: word problems

AA.15Solve one-step multiplication and division equations: word problems

Lesson: Solving equations

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