Sold X Friday papers.
Sold 2X Sunday papes.
0.25x + 0.90*2x = $84.05.
Eq: 0.25x + 1.8x = 84.05.
One weekend, a newsstand sold twice as many Sunday papers as Friday papers. The Sunday paper cost $0.90 and the Friday paper costs $0.25. The total receipts were $84.05. How many Friday and how many Sunday papers we sold? Write equation.
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