Answer:
0.06
Step-by-step explanation:
Let the number of units sold be n
Revenue = 65*n
Cost function = 5500 +4*n
Profit function = Revenue - Cost
=65n -(5500+4n)
61n-5500
U have posted 6 & 7 instead so let me answer them instead ..as for 6 you must use Pythagoras theorem ..
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Lib _ _ _ P. So u can see they form a right angled triangle. by pythagoras ,answer would be 4 .
Similarly draw a rough diagram for 2nd one u will get the answer as √495 foot ..
