Answer:
$3.90 per lbs
Step-by-step explanation:
9.75/2.5
Answer:
3240 pounds of copper would be used
Step-by-step explanation:
Answer:
4.0625
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
The ratio of 2 : 5 would be 2/5 or .4
The ratio of 5 : 2 would be 5/2 or 2.5
These are not equal.
Using the formula y = kx
80 = .5k
k = 160
y = 160*2.25
y = 360