It is: 23+(23*38) = 897
Yes they are. Both give 38.
88
Estimate: 40+20 = 60 Actual: 38+23 = 61
15 + 23 = 38 1/5 + 2/3 = 3/15 + 10/15 = 13/15
23 percent plus 15 percent is 38 percent. However, this only works if the percents are of the same thing.
61
(15+23) feet 6 inches = 38 ft 6 in.
244
57 + 57 + 38 + 38 = 190
100*23/38 = 60.526% (to 3 dp)
15 plus 38 is 53