There are 156 boys at the school
Looks like you did most of it.
The next step would be setting them equal to 105, like the problem suggests.



Then we can plug back in to find the numbers.




The three numbers are
.
Hope this helps.
頑張って!
The answer is 10x10x10=1,000
ten times ten times ten is one thousand
1 24/25
1.96= 196/100
196/100= 49/25
49-25= 24
1 24/25