Write an equation. Then, solve and check.A pancake recipe calls for 3
pounds of flour. David already has 2
pounds of flour. How many more pounds does he need?
A. x - 2
= 3
; x = 6 lb
B. x - 2
= 3
; x = 
lb
C. 2
+ x = 3
; x = 6 lb
D. 2
+ x = 3
; x = 
lb
Answer: D
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= 
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= log3
+ log3
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Solve the problem.Charles wants to retire in 17 years. At that time he wants to be able to withdraw $22,000 at the end of each year for 19 years. Assume that money can be deposited at 12% per year compounded annually. What exact amount will Charles need in 17 years?
A. $164,327.68 B. $204,619.58 C. $162,047.16 D. $159,492.74
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