The sum of three consecutive integers is 135. What are the numbers?
1 Answer
Jul 4, 2017
Explanation:
#"let the first integer be represented by " n#
#"then the second integer will be " n+1#
#"and the third integer " n+2#
#rArrn+n+1+n+2=135larrcolor(blue)" sum of integers"#
#rArr3n+3=135larrcolor(blue)" simplifying left side"#
#"subtract 3 from both sides"#
#3ncancel(+3)cancel(-3)=135-3#
#rArr3n=132#
#"divide both sides by 3"#
#(cancel(3) n)/cancel(3)=132/3#
#rArrn=44#
#rArrn+1=44+1=45#
#rArrn+2=44+2=46#
#"the three consecutive integers are " 44,45,46#
#color(blue)"As a check"#
#44+45+46=135rarr" True"#