Jawabanmu

Jawaban paling cerdas!
2014-06-04T05:06:15+07:00
Efisiensi = (1 - T1/T2)x 100%

(1 - 350/750) x 100
(1 - (7/15) x 100
8/15 x 100 = 800/15 = 53.33 %