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The sum of (eight and nine tenths) plus (nine and eight tenths) is (eighteen and seven tenths). 8.9 + 9.8 = 18.7
an octet is eight: the cardinal number that is the sum of seven and one.
1423
the sum of eight is 4+4
N = the number It's [ 7N + (N+8) ]
It is: (58+42)-67 = 33
7+8=15 15-6=9
Two over eight plus four over eight plus one over eight equals seven over eight
seven and eight
-5 what is the sum of negative eight and three?
18