Answer:
190,208
Step-by-step explanation:
732,178 + 167 = 732345
732345 - 542,137 = 190,208
The answer to this is is 1.37. You add all of them and divide by 3.
Make a list of all whole-number factors of 20:
1*20
2*10
4*5
The only reasonable set of dimensions out of the list is 4*5, so that is the answer.