SOLUTION: find the sum of the sequence 45+46+47+48+...+144 The sum is???

Question 974862: find the sum of the sequence
45+46+47+48+...+144

The sum is???
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Add the first number in the sequence to the last number in the sequence. Multiply that sum by the number of numbers in the sequence. Divide that product by 2.

Hint: This is a series of sequential numbers, so the number of numbers is the largest number minus the smallest number then add 1. Example: How many numbers from 1 to 10? 10 minus 1 plus 1 = 10. How many from 10 to 20? 20 minus 10 plus 1 = 11.

John

My calculator said it, I believe it, that settles it

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