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Wiki User
90 x 1 = 90
10 x 9 = 90
45 x 2 = 90
30 x 3 = 90
18 x 5 = 90
15 x 6 = 90
90
multiply the number by .90 or just.9 like 90% of 100 is 90
Multiply 90 x .63= 56.7 is 63% of 90
12
270
4050
63X90=5670
66150
45 and 2.
Multiply by 3