Break down the words into an equation:
(x+7)/(x+3) + (x-4)/3
481*481= 231361
That in expanded form is
200000 + 30000 + 1000 + 300 + 60 + 1
Sorry if i am wrong I truely am
If you're talking about 607 without decimals, then 0. Because 607 is greater than 48.
Let's represent the number of hours with the variable 'h' (or whatever letter you want it to be):
265 + 48h = 553
Substract both sides by 265:
48h = 288
Divide:
h = 6
6 hours of labor was spent