The old Anna is 66
We have given that,
Anna is three times as old as Diane.
If the sum of their ages is 44,
We have to determine how old is Anna
Summation is the addition of a sequence of any kind of numbers, called addends or summands; the result is their sum or total.
so divide 44 by 2,
which gives you 22, and then multiply that times 3 so that is 66.
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