Solve the problem below by setting up and solving a system of two linear equations in two variables.A 13% salt solution is to be mixed with a 18% salt solution to produce 10 gallons of a 16% salt solution. How many gallons of the 13% solution and how many gallons of the 18% solution will be needed?
A. 3 gallons of 13% and 5 gallons of 18%
B. 8 gallons of 13% and 10 gallons of 18%
C. 16 gallons of 13% and 18 gallons of 18%
D. 4 gallons of 13% and 6 gallons of 18%
E. 18 gallons of 13% and 20 gallons of 18%
Answer: D
Mathematics
You might also like to view...
Write in exponential form.3 = log4 x
A. 43 = x B. x3 = 4 C. 4x = 3 D. 34 = x
Mathematics
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log35(x - 2) = 1 - log35x
A. {-7} B. {5} C. {-5} D. {7}
Mathematics
Find the following.g'(9) if g(x) = 5
- 
A. 
B. 
C. 
D. 
Mathematics
Rewrite the rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics