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KingBully
 one year ago
Maria is ordering copy paper for her office. The office is low on white paper and on blue paper. She will pay $3.50 per ream of white paper and $3.75 per ream of blue paper. If the purchase order is for $36.00 and she ordered 10 reams of paper, how many reams of white paper will she receive?
KingBully
 one year ago
Maria is ordering copy paper for her office. The office is low on white paper and on blue paper. She will pay $3.50 per ream of white paper and $3.75 per ream of blue paper. If the purchase order is for $36.00 and she ordered 10 reams of paper, how many reams of white paper will she receive?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0w + b = 10 < she ordered 10 reams of paper (both white and blue) 3.5w + 3.75b = 36 Those are the equations we will use and we will solve by substitution. w + b = 10 b = w + 10 so we will sub w + 10 in for b in the other equation. 3.5w + 3.75b = 36 3.5w + 3.75(w + 10) = 36 3.5w  3.75w + 37.50 = 36 3.5w  3.75w = 36  37.50 .25w = 1.50 w = 1.50/0.25 w = 6 w + b = 10 6 + b = 10 b = 10  6 b = 4 check.. 3.5w + 3.75b = 36 3.5(6) + 3.75(4) = 36 21 + 15 = 36 36 = 36 (correct) she will receive 6 rolls of white paper and 4 rolls of blue paper
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