Question

The ratio of the ages of a, b and c is 7 : 5 : 4. If age of c is 32 years, find the sum of the ages of a,b and c in years?Select one:a. 96b. 128c. 80d. 192

Answer 1

Answer:

That's an easy one

Step-by-step explanation:

Let the ratio be 7x , 5x and 4x

Now age of c = 32

hence 4x = 32 ; x = 8

Ages of a , b and c are respectively 7x , 5x , 4x I.e. 56 , 40 , 32 .

Hence Sum of their ages = 56 + 40 +32 = 128

Therefore Answer is 128.