Answer:
9
Step-by-step explanation:
If she buys 10 CDs, it would come out to one hundred. if she bought 9 she would still have enough to pay for shipping
y=-0.25x+1.25
hope this helps u
-37.7
Answer: 10 yards
Covert 30 feet into yards to find how many yards he should buy.
Solve by cross product
3x = 30
x = 10