519.99(.0825) = 42.899
519.99 + 42.899 = $562.89
You just substitute the heights for H. 25 + 1.17(34) then find what that equals to the nearest inch and do the same for the boy
Fractions and decimals. (And maybe integers because some are decimals)

which is, W is less than or equal to 2000 lbs.