Answer:
85 dollars
Step-by-step explanation:
<em>y = - x + 5 </em>
A(1, 4)
B(4, 1)
= = - 1
y - 1 = - 1 ( x - 4 )
<em>y = - x + 5</em>
b
x<4
3x < 12
Divide with 3 on each side
x< 4
In words x has all the real numbers that are less than 4 or x belongs to any number from -ve infinity to 4.