To solve this problem you can do a proportion

to find 'x', we have to cross multiply the numbers.

and

this will get you

to get 'x', we have to divide by 100 on each side

your answer will be

so, Chris must raise 75.25 dollars by himself
Answer:
8%
Step-by-step explanation:
560 interest/7 years=80 interest per year
1000xinterest rate=80
interest rate = 80/1000
Interest rate is 8%
The first and the third option are correct. if you fail to do the second and last they will take away your house lol