1 YEAR = 12 months
divide: 5,031 ÷ 12 = 419.25
419 dollars and 25 cents each month
hope it helps!
You have -4,-3,-2, that is a 3 out of a total of 21 points or numbers on the number line. 3/21 is reduces to 1/7.
3 goes into 21 , 7 times. That is why it reduces to 1/7.