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
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