Answer:

Step-by-step explanation:
A proportional relationship is modeled by the equation ...
y = kx
When the constant of proportionality (k) is 4/5, this equation becomes ...
y = (4/5)x
Answer:
Step-by-step explanation:
-4
1) y=?x+4
2) y=?x+10
Use the formula y= mx+b to simply convert.
39 depending on the prices but 39 is how many he sold
Answer:
x < 5
Step-by-step explanation:
–16x > –80
Divide each side by -16, remembering to flip the inequality
-16x/-16< -80/-16
x < 5