Let the person ate x banana on first day, so below is the equation for five days X+x+6+x+12+x+18+x+24=100 So, he ate 8 banana first day Reply
8
10
x + x+6 + x+12 + x+18 + x+24 = 100
5x + 60 = 100
5x = 40
x = 40/5
x = 8
8
X+(x+6)+(x+12)+(x+18)+(x+24)=100
5x=40
X=8
Let the person ate x banana on first day, so below is the equation for five days
X+x+6+x+12+x+18+x+24=100
So, he ate 8 banana first day