Systems of equations with elimination: potato chips (Full video)

Khan Academy

Supporting grades: 8

Description: Sal demonstrates solving a word problem by writing a system of equations and solving using the elimination method. So he comes to you and says, how do we figure out, on average, how many potato chips we need to order? The king says, in our kingdom, we forbid potato chips for children. At the last party, 200 of them were men, and 300 of them were women.

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