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Mathematics 8 Online
OpenStudy (anonymous):

stamp collection consisted of 120 stamps in October. In March, her collection grew to 138 stamps. Find the percent increase between October and March.

OpenStudy (anonymous):

thank you :)

OpenStudy (anonymous):

no, it's 15 percent

OpenStudy (lilg132):

oops sorry

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

120 ---- 100% 138 ---- x% x= 130*100/120=115 115% - 100 % = 15%

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