Answer:
Step-by-step explanation:
a) x>0 → items can not be negative
b) c(2,000) = 5,000+1.3(2,000) = $7,600
c)5,000+1.3x<10,000
5,000-5,000+1.3x<10,000-5,000
1.3x<5,000
x<3846 items
Answer:
5
Step-by-step explanation:
You can express this as a system of equations:
x in this instance will be her present age.
x + 8 = 2x + 3
simply solve for x after this by subtracting three and x from both sides, and you’ll find that x is 5.
X^2 + 4x - 16 - 11/(x + 2)