Solve the problem.Dmitri needs 5 liters of a 36% solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 45% solution and the other an unlimited supply of the 30% solution. How many liters of each solution should Dmitri use?
A. 45% solution: 3 liters; 30% solution: 2 liters
B. 45% solution: 1.5 liters; 30% solution: 3.5 liters
C. 45% solution: 2 liters; 30% solution: 3 liters
D. 45% solution: 2.5 liters; 30% solution: 2.5 liters
Answer: C
Mathematics
You might also like to view...
Divide. Simplify, if possible.- 2 ÷ 
A. - 
B. - 2
C. - 
D. - 12
Mathematics
Factor the trinomial completely.40z8 - 28z5 - 48z2
A. 4z2(5z3 - 4)(2z3 + 3) B. 4(2z6 - 3)(5z2 + 4) C. (2z4 + 2)(5z4 + 4) D. 4z2(2z3 - 3)(5z3 + 4)
Mathematics
Simplify the expression by multiplying. -5(-6x2)
A. -30x2 B. 11x2 C. -11x2 D. 30x2
Mathematics
Graph the function.y = -2 sin 2x
A. 
B. 
C. 
D. 
Mathematics