Perbandingan kelereng a:b=5:7 Jmlh kelereng 60 butir Brp banyak kelereng masing2 ?

5 + 7 = 12

A= 5/12 X 60 = 25

B= 7/12 X 60 = 35

jumlah perbandingan 5+7+12
a = 5/12*60 = 25
b = 7/12*60 = 35

jika dijumlah 25 + 35 = 60