The number of apples required to bake a pie varies directly with the square of the diameter of the pie tin. If 4 apples are requ
ired for a pie tin with a diameter of 8 inches, how many apples are required for a pie tin with a diameter of 10 inches?
2 answers:
Answer:
5 apples
Step-by-step explanation:
Solution,
4 apples are required for a pie tin with a diameter of 8 inches
For 1 inch of the pie tin 8/4=2 apples are required.
For 10 inches 10/2=5 apples are required.
Answer:
Step-by-step explanation:
Let the number of apples be a and diameter be d.
<u>The relationship is:</u>
- a = kd², where k is he coefficient of proportionality
We have a = 4 when d = 8.
<u>Find k:</u>
- 4 = k*8²
- 4 = 64k
- k = 4/64
- k = 1/16
<u>The equation is now:</u>
<u>Find a when d = 10:</u>
- a = 10²/16
- a = 100/16
- a = 6.25 apples
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