Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.5: Percent Of Change
Problem 7C
Related questions
Question
Find the sum of the whole numbers from 11 to 590.
Expert Solution
Step 1
Find the sum of the whole numbers from 11 to 590
Whole Numbers from 11 to 590 are :
11,12,13,14,15,16,17,................,590
Now; a1 = 11 , an = 590 ,d = 1
an = a1 + (n - 1)d
590 = 11 + (n - 1)1
590 = 11 + n - 1
n = 580
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