in roman numerals
This has nothing to do with mathematics but with mathematical symbols instead. Twelve, in Roman numerals is XII. If this is divided in half by a horizontal line, what is left above the line is VII, or seven.
seventy
We saw it as from what heavy seven letter word can you take away two and have eight left? . . . . . . . . . . . . . . .. . . . . . .weights
5
It goes mouldy. Then you throw it away.
twelve
Heighty or Freight.
The number you can take away half of and leave nothing is zero. When you take away half of zero (which is also zero), you are left with zero. This is because zero divided by two is zero, and subtracting zero from zero leaves you with zero.
there seven and a half fish left in the world
well, if he gave half of it away, he has 1/2 of his money, and getting rid of a third from his half, then he has 1/6 of his money left, and giving another forth gives him 1/12 of his original amount so its 1/12
12.5%
Yes, half of a circle made of eights is 4 eights. Take away 3 eight you still have 1 left.