Solve.A bulk-rate mail permit costs $182 and each piece of bulk mail sent costs 39 cents. In contrast, the rate for mailing a letter first class is 47 cents per piece. How many pieces of mail would someone need to sent in order to make bulk rate the cheaper way to go?
A. 23
B. 27
C. 20
D. 25
Answer: A
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Solve the problem.Find the installment price of a table bought on the installment plan with a down payment of $30 and6 payments of $35.52.
A. $243.12 B. $30 C. $213.12 D. $273.12
Mathematics
Simplify.(-0.4)2 + (-0.2)2 + (-0.1)
A. 0.3 B. -0.3 C. 0.1 D. -0.1
Mathematics
Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics