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Serjik [45]
3 years ago
14

52 is 12.5 of what number

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0
Well, 12.5 is 25/2.

\frac { 25 }{ 2 } \times n=52\\ \\ \frac { 2 }{ 25 } \times \frac { 25 }{ 2 } \times n=52\times \frac { 2 }{ 25 } \\ \\ \therefore \quad n=\frac { 104 }{ 25 } =\frac { 100 }{ 25 } +\frac { 4 }{ 25 } =4+\frac { 4 }{ 25 } \\ \\ \therefore \quad n=4.00+0.16=4.16
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notice how the numbers in brackets are the same (2x+3)
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