Solve the proportion.
= 
A. x = 6
B. x = 1
C. x = 12
D. x = 130
Answer: A
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Solve the problem. Round to the nearest tenth if necessary.The price of a printer was reduced from $400 to $240. What was the percent of decrease?
A. 60% B. 40% C. 45% D. 66.7%
Find the probability.Urn A has balls numbered 1 through 6. Urn B has balls numbered 1 through 5. What is the probability that a 4 is drawn from A followed by a 2 from B?
A. 
B. 
C. 
D. 
Solve.The ratio of a quarterback's completed passes to attempted passes is 3 to 10. If he attempted 
find how many passes he completed.
A. 3 passes B. 10 passes C. 100 passes D. 9 passes
Use the substitution method or the elimination method to solve the system. If the system has infinitely many solutions, express the ordered pair in terms of x or y.8x - 5y = 140x - 25y = 4
A. 
B. (5, 4)
C. (1, 4)
D. no solution