The sum of the ages of the three girls is 44 and Mrs. Buckley is 44 years old.
Summation is the process of adding numbers together and is a fundamental mathematical operation that is used in many different areas of mathematics and science.
In the above question, summation was used to find the sum of the ages of the three girls which was done by adding the ages of the three girls together: 12 + 14 + 18 = 44.
Summation is used to find the sum of a series of numbers, such as the sum of the numbers from 1 to 10 and can be used to simplify expressions, such as simplifying the expression (a + b) + (c + d) to (a + b + c + d).
complete question:
Three girls of age 12, 14 and 18 respectively lives close to Mrs Buckley. Mrs buckley is the sum of the ages of all three girls how old is mrs buckley