
Patrick B. answered 04/27/20
Math and computer tutor/teacher
1st is X , 2nd is X+1, 3rd is X+2
5 times the second is equal to 11 less than 3 times the sum of the 1st and 2nd
5(x+2) = 3(x+x+1)-11
5(x+2) = 3 (2x+1) - 11
5x+10 = 6x + 3 - 11
5x+10 = 6x - 8
10 = x-8
x=18
18, 19, and 20
5*20=100
3(18+19)-11 = 3(37)-11 = 111-11 = 100
yes it checks
18, 19, and 20