Percent word problems with equations (8th grade math/algebra 1)

I go through several word problems that involve a price increase, discount, and/or sales tax. Writing percentages as decimals is a life-saver when writing an equation for such situations. For example, if the initial price is p, and it is increased by 120%, then the new price is 1.2p.

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How many solutions can a linear equation have? — video lesson

Math Mammoth Grade 8 curriculum

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