SOLUTION: Retail Sales. Mountainside Fleece sold 40 neckwarmers. Solid-color neckwarmers sold for $9.90 each and print ones sold for $12.75 each. In all, $421.65 was taken in for the neck

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: Retail Sales. Mountainside Fleece sold 40 neckwarmers. Solid-color neckwarmers sold for $9.90 each and print ones sold for $12.75 each. In all, $421.65 was taken in for the neck      Log On

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Question 332968: Retail Sales. Mountainside Fleece sold
40 neckwarmers. Solid-color neckwarmers sold for
$9.90 each and print ones sold for $12.75 each. In all,
$421.65 was taken in for the neckwarmers. How many
of each type were sold?

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = number of solid-color ones sold
Then 40+-+x = number of print ones sold
given:
Sales of solid-color DISABLED_event_ones= 9.9x
Sales of print ones sold = 12.75%2A%2840+-+x%29
9.9x+%2B+12.75%2A%2840+-+x%29+=+421.65
-----------------------------
9.9x+%2B+510+-+12.75x+=+421.65
-2.85x+=+-88.35
x+=+31
40+-+x+=+40+-+31
40+-+31+=+9
31 solid-color ones and 9 print ones were sold
check:
9.9x+%2B+12.75%2A%2840+-+x%29+=+421.65
9.9%2A31+%2B+12.75%2A%2840+-+31%29+=+421.65
306.9+%2B+114.75+=+421.65
421.65+=+421.65
OK