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Mathematics 11 Online
OpenStudy (anonymous):

28 is 70% of what

OpenStudy (anonymous):

70/100 x y=28 70y=2800 y=40

OpenStudy (anonymous):

40

OpenStudy (anonymous):

28 — 70 x — 100 x= 28×100÷70=40 28 is 70% of 40

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