Write an algebraic formula that models the given quantity.13. The number N of cents in q quarters14. The average A of two numbers a and b15. The cost C of purchasing x gallons of gas at $3.50 a gallon16. The amount T of a 15% tip on a restaurant bill of x dollars17. The distance d in miles that a car travels in t hours at 60 mi/h18. The speed r of a boat that travels d miles in 3 h
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.
Write an algebraic formula that models the given quantity.
13. The number N of cents in q quarters
14. The average A of two numbers a and b
15. The cost C of purchasing x gallons of gas at $3.50 a gallon
16. The amount T of a 15% tip on a restaurant bill of x dollars
17. The distance d in miles that a car travels in t hours at 60 mi/h
18. The speed r of a boat that travels d miles in 3 h
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