Use present value equation.
If present value of annuity equals 400,000, then you are indifferent.
where v = 1/(1+r) and A = annual payment = 800,000/20 = 40,000
PV = 400,000
After subbing in the numbers, the equation is:
Therefore at interest rate of about 7.75% you are indifferent.
C+H=808
C=H+58
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H+58+H=808
2H+58=808
2H=808-58
2H=750
H=750/2=375.
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C+375=808
C=808-375=433
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So, 433 cheeseburgers were sold and 375 hamburgers were sold.
Since you know x is between 4 and 5, lets start in the middle using 4.5 for x
4.5^3 - 5(4.5) = 68.625 ( this is larger than 59, so we know the number is less than 4.5)
lets try 4.2: 4.2^3 -5(4.2) = 53.088 ( this is smaller than 59, so we know the number is larger than 4.2)
4.3: 4.3^3 -5(4.3) = 58.007
4.4: 4.4^4 -5(4.4) = 63.184
so we know the answer is between 4.3 and 4.4
4.32: 4.32^3 - 5(4.32) = 59.02 round to 59.0 ( to 1 decimal place)
I think this is what the teacher wants for an answer.
Answer:
12
Step-by-step explanation:
4 1/3 is the first tiny line after the big line before the 5.
-1 1/3 is count 4 big lines after -5 and one tiny line
