Problema Solution

On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $8 each and a number of necklaces at $9 each. She wrote a check for $1030 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?

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On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $8 each and a number of necklaces at $9 each. She wrote a check for $1030 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?

Answer:

X+Y=120;

8x+9y=1030;

solving

X=84

Y=36

bracelets =84 and how many necklaces=36