Well the average would change from 85 to 85.4
6 blades in 1 windmill is the "unit rate" A unit rate is the number per thing. You will need to multiply. Multiply 6X7. 6 for 6 blades and 7 for 7 windmills. It is 42. 42 blades are in 7 windmills.
The answer would be 1/10 because 100 divided by 10= 10
Hope this helps
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yes your answer is correct it's C
Answer:
50
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