A company orders boxed lunches from a deli. Assume each boxed lunch is the same price. The proportional relationship between the number of boxed lunches ordered,
b, and the total cost in dollars and cents, c, can be represented by the equation
c= 12.48. What is the cost in dollars and cents per boxed lunch?

89

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do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

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i dont have an answer

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