Solve the problem.A merchant has coffee worth $40 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $50 a pound. How many pounds of the $40 coffee should be used?
A. 180 pounds
B. 450 pounds
C. 225 pounds
D. 360 pounds
Answer: D
Mathematics
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5
- 2
A. 55
B. -35
C. 35
D. -55
Mathematics
Solve the problem.Adam owes $5760 in student loans. If he agrees to consolidate the loans and repay the total amount over 72 months, what would his monthly payment be?
A. $576 B. $720 C. $80 D. $480
Mathematics
Find the value of the expression.2[4 + 8(22)]
A. 1600 B. 72 C. 520 D. 800
Mathematics
Write the expression in the standard form a + bi.(4 + 7i)(4 + 5i)
A. -19 + 48i B. 51 + 8i C. -19 - 48i D. 35i2 + 48i + 16
Mathematics