Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $6 each and a number of necklaces at $8 each. She wrote a check for $760 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 100 bracelets and 20 necklaces
B. 105 bracelets and 15 necklaces
C. 95 bracelets and 25 necklaces
D. 110 bracelets and 10 necklaces
Answer: A
You might also like to view...
Find the slope of the curve at the given point P and an equation of the tangent line at P.y = x3 - 3x2 + 4, P(1, 2)
A. slope is -3; y = -3x + 2 B. slope is 1; y = x + 5 C. slope is 0; y = 5 D. slope is -3; y = -3x + 5
Write the equation of a polynomial function with the given characteristics. Use a leading coefficient of 1 or -1 and make the degree of the function as small as possible.Crosses the x-axis at -1, 0, and 4; lies above the x-axis between -1 and 0; lies below the x-axis between 0 and 4.
A. f(x) = x3- 3x2 - 4x B. f(x) = -x3 + 3x2 + 4x C. f(x) = x3+ 3x2 - 4x D. f(x) = - x3- 3x2 + 4x
Solve the system. x + y + z = 7 x - y + 2z = 7 2x + 3z = 15
A. (1, 2, 4) B. (2, 1, 4) C. No solution D. (4, 2, 1)
Perform the operation indicated.
+ 
A. 
B. 
C. 
D. 