OpenStudy (anonymous):

the interest mary earned for $80 was$4. if she had deposited $100 she would have earned$5. how much would she earn for \$120

4 years ago
OpenStudy (anonymous):

6

4 years ago
OpenStudy (anonymous):

4 is 5% of 80 5 is 5% of 100 5% of 120 is 6

4 years ago