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primary 5 | Maths
| Fractions
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P solve the problem
Date Posted: 2 years ago
Views: 250
Let's say he has N nephews.
Sum of nephews age = 10*N
After including Andrew age AVG =14
Sum of nephews age +30 = 14*(N+1)
10*N+30= 14N + 14
N= 4
Andrew has 4 nephews
Sum of nephews age = 10*N
After including Andrew age AVG =14
Sum of nephews age +30 = 14*(N+1)
10*N+30= 14N + 14
N= 4
Andrew has 4 nephews
See 2 Answers
Let's say he has N nephews.
Sum of nephews age = 10*N
After including Andrew age AVG =14
Sum of nephews age +30 = 14*(N+1)
10*N+30= 14N + 14
N= 4
Andrew has 4 nephews
Sum of nephews age = 10*N
After including Andrew age AVG =14
Sum of nephews age +30 = 14*(N+1)
10*N+30= 14N + 14
N= 4
Andrew has 4 nephews
Thanks a lot
done
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