Solve the problem.A tea shop owner is mixing a blend of two teas, one of which costs $6.50 per pound, the other costing $4.00 per pound. The owner wants to have 20 pounds of a mixture that will sell for $5.50 per pound. How much of each type of tea should be used?
What will be an ideal response?
12 lbs of the $6.50/lb tea; 8 lbs of the $4.00/lb tea
Mathematics
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Evaluate the expression without using a calculator. 128(-1/7)
A. -2
B. 128
C. -128
D. 
E. 
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Calculate the direction of 
and the midpoint of line segment P1P2. P1(5, -2, 7) and P2(9, -5, 2)
A. 
i + 
j + 
k; 
B. 
i + 
j + 
k; 
C. 
i - 
j - 
k; 
D. 
i - 
j - 
k; 
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Determine the viewing window used.
A. 
B. 
C. 
D. 
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Solve the problem.A stockbroker sold 5 shares of stock for $45.16 each. What was the total amount of the sale?
A. $225.70 B. $225.80 C. $225.90 D. $225.91
Mathematics