Well in 4385 the value is in the hundreds and in 3899 the value is in the thousands.So I think ten times? Because 10 times a hundred is a thousand?
Let us say, the numbers are "a" and "b"
their sum is -13
a + b = -13
their product is 40
a * b = 40

solve for "a",
what is "b"? well, b = 40/a :)
Answer:
yes
Step-by-step explanation:
1512/6=252