On a buying trip in Los Angeles Rosario Perez ordered 120 pieces of jewelry a number of bracelets at $8 each and a number of necklaces at $11 each. She wrote a check for $1080 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?

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Mathematics

23 November, 18:06

On a buying trip in Los Angeles Rosario Perez ordered 120 pieces of jewelry a number of bracelets at $8 each and a number of necklaces at $11 each. She wrote a check for $1080 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?

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Addison Kelly · Answer 1

Two equation system

80 bracelets

40 necklaces

Step-by-step explanation:

x+y=120

8x+11y=1080

x=120-y

8 (120-y) + 11y=1080

x=120-y

960-8y+11y=1080

x=120-y

3y=120

x=120-y

y=40

x=120-40

y=40

x=80

y=40