Question 1120415
If 3 x less means 1/3 as much
then x*3<45-10x
13x<45
x<45/13, which is about 3.46
so 3.46 vs 45-34.6 is 3.46<(1/3)10.4, with the exact value 45/13< 45-(450/13), which is 3*45/13<135/13.  That is the equality, so any x less than 45/13 will be correct.