division.
You have to add those two numbers then divide them by 2. The reason you divide by 2 is because they're two numbers.
Choose any two numbers for the first two. Call them a and b. (Any numbers will do, except zero.) Then, divide 42.875 / a / b to get the third number.
divide the two numbers then divide
Add the two numbers and divide that by two.
When you divide two numbers the answer is the quotient.
-- Add the two numbers. -- Divide that total by two.
A quotient
The quotient
multiply them and divide by two
The answer is the quotient of the divided numbers
yes
Since 17 is a prime number - the only two numbers that will divide into it exactly are 1 & 17 !