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376 = 2(10x8 + 10t + 8t) -------> tingginya blm diketahui
376 = 2 (80 + 10t + 8t)
376 = 2 (80 + 18t)
2 pindah ruas ke sebelum "=" ---> dari pengali jadi pembagi
---> 376/2 = 80 + 18t
188=80 + 18t
80 pindah ruas
188-80 = 18t
108 = 18t
108/ 18 = t
6 cm = t
volume = plt
10 x 8 x 6 = 480 cm3