Answer:
16.79 %
Step-by-step explanation:
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Answer:
190.625 ft^2
Step-by-step explanation:
A = bh = (15.25) * (12.5) = 190.625 ft^2
The answer to this is 20. You can find the length by using the formula l=a/w
30% of the 30 marbles is nine and 9-30 = 21 so your answer is 21