After estimation of decimals problem is written as
=12+3+5+6
There are infinite ways of writing the original problem, i am writing few ways
1. 12.10 +2.95+5.05+6.06----Rounding tenth and Hundreth to nearest ones that is a whole number.
2. 12.25+3.05+4.75+6.42----Rounding tenth and Hundreth to nearest ones that is a whole number.