Solve.Frank can type a report in 3 hours and James takes 5 hours. How long will it take the two of them typing together?
A. 
hr
B. 
hr
C. 
hr
D. 5 hr
Answer: C
Mathematics
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Provide an appropriate response. If a business sends out 2,000 brochures to a list of customers and expects to lose 350 of them to mail changes, what percent is lost?
A. 70% B. 1.2% C. 17.5% D. 5.17%
Mathematics
Solve the problem.Find the maximum possible value of f = 2x + 5y subject to the following constraints: 
A. 10
B. 
C. 19
D. 
Mathematics
Translate to a proportion and solve. 110 is what percent of 220?
A. 200% B. 100% C. 50% D. 40%
Mathematics
Evaluate the expression or indicate that the root is not a real number.
A. 5
B. 25
C. 7
D. 
Mathematics