Elena purchased brand X pens for $4.00 a piece and brand Y pens for $2 – McqOptions

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1.	Elena purchased brand X pens for $4.00 a piece and brand Y pens for $2.80 a piece. If Elena purchased a total of 12 of these pens for $42.00, how many brand X pens did she purchase?
A.	4
B.	5
C.	6
D.	7
E.	8
Answer» E. 8

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