Answer:
$155.56
Step-by-step explanation:
Find the original cost by dividing the new cost by 0.9:
140/0.9
= 155.56
So, the original cost was approximately $155.56
75 pieces
7/2
Slope= y2-y1/x2-x1
(12-5)/(-1--3)
-> (7)/(2)
165 of nickels and 165 of dimes
80 KPH
The total trip was 280*2 (the trip to perry and then to come back home)
divide this by the 7 hours it took him, and you get your answer. Enjoy!
Answer: He will walk 2 1/4 miles in an hour
