Helen borrowed $8000 from her grandfather to pay for college. Five years later, she paid him back the $8000 and an interest rate of $1,200. What was the annual interest rate?

4

step-by-step explanation:

6 (donuts) divided by 3 is 2.

so 2/3 means 2 times 2, which is 4/6.

you get two and your friend gets four.

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant

you can't solve x because it is 2 linear equation and you only have one equation