Tentukan nilai a b dan c yg memenuhi a:b:c=4:5:6,a+b=18,c-a=4

a : b : c = 4 : 5 : 6

a + b = 18
a : b = 4 : 5
Jumlah perbandingan = 4 + 5 = 9

a = ⁴/₉ × 18 = 4 × 2 = 8
b = ⁵/₉ × 18 = 5 × 2 = 10

c - a = 4
c - 8 = 4
c = 4 + 8
c = 12

Jadi a = 8; b = 10; c = 12

***Semoga Terbantu***