automaticloveletter
  • automaticloveletter
A pencil at a stationery store costs $1, and a pen costs $1.50. Stella spent $21 at the store. She bought a total of 18 items. Which system of equations can be used to find the number of pencils (x) and pens (y) she bought? x + 18y = 21 x = 1.5y 18x + y = 21 x = 1.5y x + 1.5y = 21 x + y = 18 1.5x + y = 21 x = 18y
Mathematics
katieb
  • katieb
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automaticloveletter
  • automaticloveletter
Is it C?
anonymous
  • anonymous
ok so we know it cant be d because it has to equal 21
TheSmartOne
  • TheSmartOne
correct

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anonymous
  • anonymous
i was lookinng at c and it almost seems like i woul be it but x is pencils and pencils are 1 dollar and it says 1.5 si idk...
automaticloveletter
  • automaticloveletter
thanks
anonymous
  • anonymous
welcome :) -all of auto correction there lol sry bout that

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