Let's focus on the given equation. The C represents the cost, while the x must be the number of tacos, which is what we're solving for. Since we're given the boundary that C must be 300, then the solution would be:
300 = x² - 40x + 610
x² - 40x + 310 = 0
Apply the quadratic formula where a = 1, b = -40 and c = 310. The roots of x are:
x = 29.49≈30
x = 10.51≈11
<em>Thus, she needs to sell either 30 or 11 tacos.</em>
Answer:
50 + 11.5x = 188
Step-by-step explanation:
Answer: 5'4".
Step-by-step explanation: Simply divide 64 by 12, resulting in 5.333. 4÷12 is .333, meaning the remaining inches is 4.
Answer:
Step-by-step explanation:
Using formula 
a= 650
b= 800
and c is the unkown