Question

138. The average age of a man and his son is 40 years. The ratio of their ages is 7:3 respectively. What is the man's age?. (a) 70 years (b) 63 Years (c) 56 Years (d) 49 Years
when i solve it i got 12 and 28 but in options it can't include this one
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Answer 1

63 is the answer I hope it helps you

Step-by-step explanation:

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