Madeline's essay was 150 x 2 = <<150*2=300>>300 words.
Timothy's essay was 300 + 30 = <<300+30=330>>330 words.
All together, they wrote 150 + 300 + 330 = <<150+300+330=780>>780 words.
Their essays fill 780/260 = <<780/260=3>>3 pages.
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