Question

What is the rule for division by 11s?

Answer 1

Divide like normal except this time the divisor is 11

Answer 2

I swear to god if I got the terminology wrong and my snarkiness is meaningless I will be angry

Answer 3

http://www.mathsisfun.com/divisibility-rules.html

Answer 4

A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the teacher mix together to get 150 mL of 60% sugar solution?
a. 70 mL of the 50% solution and 35mL of the 80% solution.
n. 35mL of the 50% solution and 70mL of the 80% solution.
c. 70mL of the 50% solution and 70mL of the 80% solution.
d. 35mL of the 50% solution and 35mL of the 80% solution.

Answer 5

If the sum of the differences of odd places and even places are 0 or 11 then its divisible by 11

Answer 6

Add up the pairs of numbers (from right to left). If the result is divisible by 11, so is the original number.
For example: