Know the answer but need an explaination
Posted: Tue Jul 21, 2009 6:32 am
Can somebody help me with this?
Question
If the ratio of the ages of two friends A and B is in the ratio 3 : 5 and that of B and C is 3 : 5 and the sum of their ages is 147, then how old is B?
1. 15 years
2. 75 years
3. 49 years
4. 45 years
5. 27 years
The answer is 45 years, but what is the correct approach to solve it?
Question
If the ratio of the ages of two friends A and B is in the ratio 3 : 5 and that of B and C is 3 : 5 and the sum of their ages is 147, then how old is B?
1. 15 years
2. 75 years
3. 49 years
4. 45 years
5. 27 years
The answer is 45 years, but what is the correct approach to solve it?