Step-by-step explanation:
14d +9 <100
14d represents cost for dvds. 9 is the flat rate shipping. all must be less than 100
Answer:
2/4-5
Step-by-step explanation:
Let 0.25x is the price increase. Therefore, the number of attendees will be 350-10x and the revenue R=(350-10x)*(5+0.25x)=1750+37.5x-2.5x^2. This parabola has maximum at x=10, meaning the price=7.5
Answer:
$5.50
Step-by-step explanation:
2.50divided by 10= .25
.25 times 22= 5.50
