eskarletche8
29.04.2021 •
Mathematics
The owner of a small store buys coats for $55 each answer Parts A and B. Hey. He sells the coats for $66 each. What is the percent of the purchase price is the sale price? The sale price is 120% of the purchase price B. The owner increases the sale price by the same percent that you found in part A when he buys jackets for $45 and sells them. How many jackets must the owner by for the total jacket sales to be at least $260? Explain your answer.
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Ответ:
A = 2 * pi * r ^ 2 + 2 * pi * r * h
Where,
r: radius of the coins
h: height of the coin stack.
Substituting values we have:
A = 2 * 3.14 * (1/2) ^ 2 + 2 * 3.14 * (1/2) * (100 * (1/8))
A = 40.82 in ^ 2
Note: the correct thickness of the coins should be 1/8 in.
Jose will need 40.82 in ^ 2 to cover the stack of coins