8. If the ratio of two members age is 3:9 and their sum is 120, then the ages are:
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1
Answer:
30 yrs and 90 yrs
Step-by-step explanation:
Let the ages be 3x and 9x
Now :-
- 3x + 9x = 120
- 12x = 120
- x = 120
12
- x = 10
Ages are :-
3x = 3 * 10 = 30 yrs
9x = 9 * 10 = 90 yrs
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