It is: 4 times (7+1) = 32
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4*(2x + 8) = 32
Suppose the number is x. The sum of the number and two is x+2 Four times the sum is 4(x+2) The number times 8 is 8x 24 less than the number times 8 is 8x-24 4(x+2) = 8x-24 4x+8=8x-24 so 4x = 32 and x = 8
32 + n = 105 n = 105 - 32 = 73
30, 31, 32 and 33
67 and 99