It is: 12-10 = 2
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Radius 10, area = 100 pi; radius 9, area = 81 pi
Suppose the number is x Then number diminished by 5 is (x-5) Six times the number diminished by 5 is 6*(x-5) So 6*(x-5) = 72 Divide both sides by 6: (x-5) = 12 Add 5 to both sides: x = 17
100*12/120 = 10%100*12/120 = 10%100*12/120 = 10%100*12/120 = 10%
12 *.10 = 1.2
2