Solve the problem.
-On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $4 each and a number of necklaces at $13 each. She wrote a check for $930 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A) 80 bracelets and 40 necklaces
B) 65 bracelets and 55 necklaces
C) 75 bracelets and 45 necklaces
D) 70 bracelets and 50 necklaces

Question

Quizplus · Accepted Answer

Let x be the number of bracelets and y be the number of necklaces. We have two equations: x + y = 120 and 4x + 13y = 930. Solving these equations, we find x = 70 and y = 50.

Solve the Problem. -On a Buying Trip in Los Angeles, Rosaria Perez Ordered