Average age of 25 members is 18. A new person with the age of 70 joins with them. What will be the new average?
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Step-by-step explanation:
Average age of 25 members is 18
Total age of 25 members = 18×25 = 450
after a new person with age 70 joined total weight = 450 + 70 = 520
now average age of 26 members = 520/26 = 20 years
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