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How do you quarter in a maths sum?
by halving it and then halving it again
Does doubling and halving always work for math?
yes
Is multiplying a number by 2 is the same as halving that number?
no, dividing a number is halving it, multiplying iy by 2 is doubling it
What is halving in math?
Halving in math or anywhere else is cutting things in half, dividing by two.
A cube box is 2 by 3 by 5 What is double the size?
The box is cuboid, not cube: a cube box would be the same length in all dimensions. "Double the size" is an ambigous phrase. Doubling all three measures, to a box of 4 by 6 by 10 would increase its volume 8-fold. Simply doubling its volume could be achieved by doubling any one of the three lengths to 4 by 3 by 5, or 2 by 6 by 5 or 2 by 3 by 10. Furthermore, the volume could be doubled by halving one length and quadrupling another, etc. There are an infinite nimber of possibilities. Doubling the volume while maintaining the relative proportions would require increasing each side by a factor of cuberoot(2) or 1.26.
