0,20x50%+3per4-2per5:1 3per5 A. 30% B. 60% C. 65% D. 110% tolong tulis caranya ya
Matematika
michelle245
Pertanyaan
0,20x50%+3per4-2per5:1 3per5
A. 30%
B. 60%
C. 65%
D. 110%
tolong tulis caranya ya
A. 30%
B. 60%
C. 65%
D. 110%
tolong tulis caranya ya
1 Jawaban
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1. Jawaban LJENNY
0,20 × 50% + 3/4 - 2/5 : 1 3/5
= 20/100 × 50/100 + 3/4 - 2/5 : 8/5
= 20/100 × 50/100 + 3/4 - 2/5 × 5/8
= 1000/10.000 + 3/4 - 10/40
= 1000/10.000 + 7500/10.000 + 2500/10.000
= 6000/10.000 : 100/100 = 60/100 = 60% = B