Solve the problem. Round to the nearest dollar or tenth of a percent when necessary.A jewelry store purchased 80 fashion watches for $2400. If the store sold 40 watches at $60, 32 watches at $54, and the rest at $30, find the total markup, the markup percent on selling price, and the equivalent markup percent on cost.
A. $1968, 82%, 45.1%
B. $2400, 55%, 72%
C. $4368, 100%, 182%
D. $1968, 45.1%, 82%
Answer: D
Mathematics
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= 5t + sec2 t, r(-?) = 1
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B. r = 
t2 + cot t + 1 - 
?2
C. r = 5t2 + tan t + 1 - 5?2
D. r = 
t2 + tan t + 1 - 
?2
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A. - 
B. - 
C. 
D. 
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Simplify the complex fraction using Method 2.
A. 
B. 
C. k - 6
D. 
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Convert the units.3.72 m = cm
A. 0.0372 cm B. 37.20 cm C. 0.372 cm D. 372 cm
Mathematics