Question

one integer is 2 times another. if the product of the two is 18 then find the integers

Answer 1

let's say integers are "a" and "b"
"b" is 2 times the other, so 2 * a or b = 2a

the product of the two is 18

a * b = 18
or
a * (2a) = 18   <--- solve for "a"

what's "b"? well, 2*a :)