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September 18, 2014

September 18, 2014

Posted by **Tarunima** on Tuesday, July 22, 2014 at 12:27pm.

- Maths -
**Reiny**, Tuesday, July 22, 2014 at 12:33pma = b+2

c = b-11

)a+b+c)/3 = 70

a+b+c = 210

b+2 + b + b-11 = 210

3b = 219

b = 73

a = 75

c = 62

check:

(73+75+62)/3 = 70

all looks good

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