Solve the problem.Don runs a charity fruit sale, selling boxes of oranges for $11 and boxes of grapefruit for $10. If he sold a total of 762 boxes and took in $8125 in all, then how many boxes of oranges did he sell?
A. 383 boxes
B. 505 boxes
C. 257 boxes
D. 458 boxes
Answer: B
Mathematics
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Solve the problem.If there are n = 10 candidates, how many different rankings of the candidates are there?
A. 3,628,800 B. 10 C. 100 D. 362,880
Mathematics
Use the theorem on bounds to establish the best integral bounds for the roots of the equation.6x3 - 7x2 + 7x + 9 = 0
A. -1 < x < 1 B. -3 < x < 2 C. -2 < x < 2 D. -1 < x < 2
Mathematics
Select the correct graph of the solution set of the system of inequalities. 
a. 
b. 
c. no solution
d. 
Mathematics
Use a percent proportion to answer the question.What is 36% of 1800 track events?
A. 64.8 track events B. 64,800 track events C. 648 track events D. 6480 track events
Mathematics