please answer the question HOTS no.1 .Its urgent please answer
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(A1+A2+.............+A35)/35=14,
then
A1+A2+A3+........+A35=35×14=490,
(A1+A2+........+A35+T)/36=15,
then
A1+A2+........+A35+T=36×15=540,
therefore
490+T=540,
T=540-490,
T=50 yrs
then
A1+A2+A3+........+A35=35×14=490,
(A1+A2+........+A35+T)/36=15,
then
A1+A2+........+A35+T=36×15=540,
therefore
490+T=540,
T=540-490,
T=50 yrs
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