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Vtech

2006-11-13 15:35:53 · answer #1 · answered by Professor Sheed 6 · 0 0

40 5 = 2S+3 + S (S = shorter piece's length) 40 5 = 3s - 3 40 2 = 3s s = 14 2n - 7 = 4n + 9 2 = 2n n = a million 7a + 4s = 355 a + s = seventy 3 a = seventy 3 - s 7(seventy 3 - s) + 4s = 355 511 - 7s + 4s = 355 156 = 3s 52 = s a + 52 = seventy 3 a =21 5n + 10d + 25q = 180 2q = n d + a million = q + n

2016-11-29 03:06:59 · answer #2 · answered by ? 4 · 0 0

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