3 1/2 years ago, the average age of a family of 3 members was 12 1/2 years then. Including a baby the present average is still the same today. How old is the baby now ?
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Answer:
1. The average age of 12 boys is 15 years. If the average age of
ys is 20 years, find the average age of the other 10 boys.
190
ears
Step-by-step explanation:
snbbbsns bb1. The average age of 12 boys is 15 years. If the average age of
ys is 20 years, find the average age of the other 10 boys.
190
ears
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