865
1 kg because 1kg is 1000 g and 1000 is more than 820.
820
25 more than -45 = -20
10 more than 45 10 + 45 but the than means to switch45 + 10 = 55
Has it got to be "exactly" 45 more, or "at least" 45 more?
45 is a whole number, and is very much more than 0.46. 0.46 is only a fraction of a single whole number.
820
45+4.5=49.5
45 + 27 = 72
q + 45.
820
85-40 = 45 and 45+45 = 90