Question 785849
1x+2x+3x+4x+5x+6x+7x=105

28x=105

x= 3.75

1(3.75)= 3.75
2(3.75)= 7.5
3(3.75)= 11.25
4(3.75)=15 ( only number divisible by 5)
5(3.75)=18.75
6((3.75)=22.5
7((3.75)=26.25

answer only 1 is divisible by 5