UDAH TERLAMBAT heeeeeeeeeeeeeeeeeeeeeeeeeelp
1. The ratio of Ali's age to Benny's age is 2 : 1. The sum of their ages is 30 years.
How old are Ali and Benny?
1. The ratio of Ali's age to Benny's age is 2 : 1. The sum of their ages is 30 years.
How old are Ali and Benny?
Jawaban:
Ali : Benny = 2 : 1
Total umur = 30 Tahun
Ali = 2/2+1 × 30
= 2/3 × 30
= 20 Tahun
Benny = 1/2+1 × 30
= 1/3 × 30
= 10 Tahun
The answer
Ali = 20 years old
Benny = 10 years old