Translate the problem to a system of equations, then solve using matrices.Anne and Nancy use a metal alloy that is 27.6% copper to make jewelry. How many ounces of a 24% alloy must be mixed with a 30% alloy to form 125 ounces of the desired alloy?
A. 80 ounces
B. 52 ounces
C. 50 ounces
D. 75 ounces
Answer: C
Mathematics
You might also like to view...
Provide the appropriate response.How many twin prime pairs can be found from the numbers less than 100?
A. 8 B. 9 C. 10 D. 7
Mathematics
Simplify the complex fraction.
A. 
B. 27x
C. 
D. 24x
Mathematics
Solve the system by the substitution method.x2 + y2 = 41x + y = 9
A. {(5, 4), (4, 5)} B. {(-5, -4), (-4, -5)} C. {(5, -4), (4, -5)} D. {(-5, 4), (-4, 5)}
Mathematics
Solve the system by Gauss - Jordan elimination.
a. ( -6, -8, -24 )
b. ( -6, 8, -24 )
c. ( 6, 8, 24 )
d. ( 0, -8, -24 )
e. ( 6, -8, 24 )
Mathematics