6.6184
A compatible number is a number that makes figuring out the problem simpler. The compatible numbers of 503 divided by 76 would be 504 and 75 since it is easier in the mind to divide 504 by 75.
0.1511
6.6184
120+80
0.1053
2 divided 76 = 0.02631578947368421
75
no
0.0258
76
0.0082
6.5789
588