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lianna [129]
3 years ago
8

On a shopping trip in Los​ Angeles, Rosaria Perez ordered 120 pieces of​ jewelry: a number of bracelets at ​$10 each and a numbe

r of necklaces at ​$11 each. She wrote a check for ​$1,270 to pay for the order. How many bracelets and how many necklaces did Rosaria​ purchase?
Will give brainiest to whoever answers this
Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

9514 1404 393

Answer:

  • 50 bracelets
  • 70 necklaces

Step-by-step explanation:

Let n represent the number of necklaces Rosaria ordered. Then the total cost of the order is ...

  10(120 -n) +11(n) = 1270

  n = 70 . . . . . . . . . . . . . simplify, subtract 1200

  120 -70 = 50 . . . . . . . the number of bracelets

Rosaria purchased 70 necklaces and 50 bracelets.

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