The speed of a planeis5 times as great as the speed of a scooter. The scooter takes 6hours longer than the planeto travel 600km. Set up the rational expressionsusing a distance, speed and time chart and then solve the equation. What is the speed of the plane?

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Q: 18

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Q: $280 for a party of 5, cost per plate is $15, write an equation that models the cost of a dinner.

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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.