Since you can't leave the house on quarantine, you decide to have your groceries delivered. Specifically, you want to make a lot of spaghetti, enough to save and re-heat later. A grocery store charges $10 to make a delivery, with each large box of noodles priced at $3 and each huge jar of pasta priced at $8. If there are 15 more boxes of noodles than jars of pasta sauce, what is the maximum number of items that can be delivered for $85?

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Q: Since you can’t leave the house on quarantine, you decide to have your groceries delivered.…

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Q: The manager of a large apartment complex knows from experience that 80 units will be occupied if the…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.