Explain why counting by tens might be faster than counting by ones

It might be faster
Because when you count by tens you are going 10 20 30 40 50 but with ones in the same time it would be 1 2 3 4 5

You'd be skipping the numbers in between 0 to 10 when you're counting by 10's.
So it would be 0, 10, 20, 30 compared to counting by 1's,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 it appears longer, you would have to say each individual number in between the tens, so it would take longer.

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

Hmmm i had this before , give me a sec