How do you make a ballpark estimate of 7201 plus 6988?
Make a very approximate estimate.
A ballpark estimate is a very rough approximation of a number, figure, or calculation.
i would say they way to get the ballpark estimate is by taking the number. and see what is the estimate for that number and then you take that estimated number and then add to get your answer .
7200
6500
370
150
136-79 with ballpark estimate and partial differences method = 57
4900
ballpark
122