kelereng a,b dan c 3:5:7, kelereng a dan b 40 butir,brp kelereng masing-masing

Kelas 7 Matematika
Bab Perbandingan dan Aritmatika Sosial

Kelereng a = (3/(3 + 5)) . 40
Kelereng a = (3/8) . 40
Kelereng a = 15 butir

Kelereng b = (5/(3 + 5)) . 40
Kelereng b = (5/8) . 40
Kelereng b = 25 butir

Kelereng c = (7/(3 + 5)) . 40
Kelereng c = (7/8) . 40
Kelereng c = 35 butir