Solve percent problems using equations.
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In Unit 2, students solved percent problems by reasoning about diagrams, double number lines, and tables. Now having learned about equations in the form $${px=q}$$, students revisit percent problems to see how they can be modeled and solved efficiently using an equation (MP.4).
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What is
In general, if you’re given a percent and a whole, how can you find the part? Write this as an equation.
30% of what number is 12?
Solve this problem first by drawing a diagram. Then write and solve an equation to verify your solution.
For each situation below, write and solve an equation to answer the question.
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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Paula is saving money to buy a tablet. So far, she has saved $54, which is 45% of what she needs to buy the tablet.
Write and solve an equation to find the price of the tablet.
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