tolong bantuin pake cara yaaa..

(8 2/3 + 15 5/6):1 3/4
=(8 4/6 + 15 5/6) : 7/4
= 23 9/6 : 7/4
=24 3/6: 7/4
=24 1/2 : 7/4
= 49/2 x 4/7
=14
jadi banyak potongan kawat = 14

jawaban = C