Answer:
x=70
Step-by-step explanation:
it's 70 because 50 and 20 is proportional to x
Quadratic formula: (-b +/- sqrt(b^2 - 4ac)) / 2a
a = 10
b = -1
c = 9
1 +/- sqrt((-1)^2 - 4(10)(9)) / 2(10)
1 +/- sqrt(1 - 360) / 20
x = 1 +/- sqrt(359i) / 20
Hope this helps!
You want to by two apples. Each apple costs three dollars. How much do you need to by two apples.
