Answer:
84
Step-by-step explanation:
30% * $280

= 84
So, the sale price is $84
Answer:
Take 1651 divided into 13 you get 127 so they can buy 127 posters . Then they sold them for 20 dollars a piece so take 20 times 127 which is 2,540 dollars that’s the money they got .
Answer:
a) y = 5x
b) y = 60
Step-by-step explanation:
Since, y is directly proportional to x when y=30, x=6

Answer:
-167.2 ft/mile
Step-by-step explanation:
The "rise" is 1298 -1776 = -478 ft. The run is given as 15,098 ft, so the slope is ...
slope = rise/run = -478/15098 ≈ -0.0316598
For 5280 feet in 1 mile, that rate of change amounts to ...
-0.0316598×5280 ft ≈ -167.2 ft . . . per mile