Jika A/18=70/B=28/36=C/54 maka,A+B+C adalah

◾ Materi : Perbandingan
◾ Sub materi : Perbandingan
◾ Mapel : Matematika

Jawab :
A/18 = 70/B = 28/36 = C/54

70/B = 28/36
28B = 2520
B = 90

A/18 = 70/90
90A = 1260
A = 14

28/36 = C/54
36C = 1512
C = 42

Maka, A+B+C = 14+90+42 = 146

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