Question

The average age of members of a 4 members family is 15 years. Twenty years from now, the average would be

Answer 1

Answer:

35

Step-by-step explanation:

Members=M

Average of Past 4M= 15

Total Past Age= 15x4

                        =60

4Mx20= 80 years added

Present/Current Total Age= 60+80

                                           =140y.o.

Average of Current Age=140/4M

                                        =35

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