Jawaban:
42 cm
Penjelasan dengan langkah-langkah:
131 = (82 x 18 + w x 152)/(w + 18)
(w + 18) . 131 = 1.476 + 152 w
131 w + 2.358 = 1.476 + 152 w
2.358 - 1.476 = 152 w - 131 w
882 = 21 w
w = 882 : 21
w = 42 cm
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Jawaban:
42 cm
Penjelasan dengan langkah-langkah:
131 = (82 x 18 + w x 152)/(w + 18)
(w + 18) . 131 = 1.476 + 152 w
131 w + 2.358 = 1.476 + 152 w
2.358 - 1.476 = 152 w - 131 w
882 = 21 w
w = 882 : 21
w = 42 cm