SOLUTION: You are an engineer for McDonalds and it is your job to develop a new small coffee cup. The average diameter of a car cup holder is between 10.10 cm and 12 cm. A small cup must h

Question 1080011: You are an engineer for McDonalds and it is your job to develop a new small coffee cup. The average diameter of a car cup holder is between 10.10 cm and 12 cm. A small cup must hold 225 cm^3 of coffee. What is the height of your cup design?
πr^2h=225 cm^3
h=v/π5.5^2
h=225/π5.5^2
225/95.03 = 2.37 doesn't make sense

I also tried converting the cm^3 first and came up with 6.0822. I thought I had it correct with dividing 95.03nby 6.0822 to end up with 15.64 cm since that would give me a cup that is 6.2 inches tall, but then I realized I did it backwards... PLEASE help!

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

average diameter of a car cup holder is between and
so, average of a car cup holder is between and
if given volume must be , than we have:

...........if

and
...........if

so, the of your small cup design is between and

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