Answer:
k = 4
Step-by-step explanation:
Given equation:









She can buy from 0-7 smoothies, but no more.
She will have $12 left on the card if she buys all 7 smoothies but if she buys 8 smoothies she will only have $8 left.
X^2 + 12 = 7x
x^2 - 7x + 12 = 0
(x - 3)(x - 4) = 0
x - 3 = 0 or x - 4 = 0
x = 3 or x = 4
She would have given 730.08 in service charges. let me know if i can show you how to figure the problem out ! :)
Answer:
(1,2) and (0,4) i think
Step-by-step explanation:
pls forgive me if im wrong!!