Problema Solution
on a buying trip to las angeles, rose orders 120 pieces of jewelry: a number of bracelets at $7 each and a number of neclaces at $15 each. she wrote a check for $1160 to pay for the order. how many bracelet's and necklaces did rose purchase
Answer provided by our tutors
let
x = the number of bracelets ordered
y = the number of necklaces ordered
Rose orders 120 pieces of jewelry:
x + y = 120
She wrote a check for $1160 to pay for the order:
7x + 15y = 1160
by solving the system of equations:
x + y = 120
7x + 15y = 1160
we find:
x = 80 bracelets
y = 40 necklaces
click here to see the step by step solution of the system of equations:
Rose purchased 80 bracelet and 40 necklaces.