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Mathematics 7 Online

OpenStudy (anonymous):

Mary purchased 5 new quarters for her collection. After adding the new quarters to her collection, she realized that she had 52 in all. How many quarters did Mary have before adding the new ones to the collection?

11 years ago

OpenStudy (butterfield1215):

whats 52-5 47

11 years ago

OpenStudy (anonymous):

If 10a = 15, what is the value of a

11 years ago

OpenStudy (anonymous):

@Butterfield1215

11 years ago

OpenStudy (butterfield1215):

yeah

11 years ago

OpenStudy (anonymous):

If 10a = 15, what is the value of a

11 years ago

OpenStudy (butterfield1215):

divide by 10 on both sides and get a=1.5

11 years ago

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