4x^2 + x + 3 = 0
x = [-1 +/- sqrt (1^2 - 4 * 4 * 3)] / 8 = - 1 +/- sqrt ( --47) / 8
= ( - 1 +/- sqrt47i) / 8 = -0.125 + 0.857i , -0.125 - 0.857i
Answer:
Like 3/5? Or something?
Step-by-step explanation:
Jk that's 63%
Good luck!
28 + 18.25x = 161 -15x (here, x stands for every week this addition or withdrawal happens)
So:
28+18.25x = 161 - 15x
18.25x = 161 - 28 - 15x
18.25x = 133 - 15x
18.25x + 15x = 133
33.25x = 133
x = 133/33.25
x = 4
So, they will have the same balance in 4 weeks.