alyssaDeni
contestada

A printing company uses the formula C=0.5x+10 to find the cost of printing x business cards which equation correctly solves the formula for x?

Respuesta :

meerkat18
C=0.5x + 10

Where:
C = total cost of printing
x = number of business cards printed
0.5 = variable cost of printing, this cost depends on the number of business card
10 = fixed cost of printing, this cost stays the same regardless of the number of business card printed.

C = 0.5x + 10  ; derive the formula of x.

C - 10 = 0.5x

(C - 10)/0.5 = x
bluevunny

Answer: x = 2C - 20

Step-by-step explanation:

Subtract 10 from both sides of the equation: C - 10 = 0.5x

Divide both sides by 0.5 and simplify:

C - 10

0.5

= x → 2(C - 10) = x → 2C - 20 = x

Finally, interchange the sides of the equation: x = 2C - 20.

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