Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 4% cement should he mix with 5 bags of 18.4% cement to produce a mix containing 10% cement?
A. 17 bags
B. 7 bags
C. 9 bags
D. 12 bags
Answer: B
You might also like to view...
Choose the rational number that is between the given fractions.
and 
A. 
B. 
C. 
D. 
Evaluate the expression x + y for the given values of the variables.x = -77, y = 0
A. -770 B. -77 C. 0 D. 77
Solve the problem. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and an SDI rate of 1%. Assume the person's earnings will not exceed $31,800 for the year. Round to the nearest cent if needed.Kay McClain is paid 7% commission on sales. During a recent week, she had sales of 
on Monday, 
on Tuesday, and 
on Thursday. Find her Social Security tax, Medicare tax, and SDI deduction for the week.
A. $27.73, $6.49, $4.47 B. $39.10, $9.14, $6.31 C. $35.38, $4.47, $5.71 D. $46.75, $10.93, $7.54
Simplify the difference quotient for the linear function f(x), and use it to identify the rate of change of the function.f(x) = 75x - 675
A. -675 B. 675 C. 75 D. -75