This formula can be better expressed as [(1+2)(2+3)(3+4)] = (20+x)/2. Simplifying, we get 2[(3)(5)(12)] = 20+x. Then the equation becomes 2[180] = 20+x, or 360 = 20+x. Transferring 20 to the other side, we get 360-20 = x. So, x = 340.
3
One fourth plus one half plus one half plus 1 is equal to 2.25 or 2 1/4
It is: 80
60 + 2.5 + 0.5 = 63
It is: 1/2+1/2 = 1
3
3
One fourth plus one half plus one half plus 1 is equal to 2.25 or 2 1/4
It is: 80
374 plus half of 69 = 408.5.
60 + 2.5 + 0.5 = 63
It is: 1/2+1/2 = 1
Seven
7
2.
One half plus one third equals five sixths or about .8333333.
30/2