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Mathematics, 12.10.2020 20:01 0140875

Sonny substituted 5 for x in the proportion StartFraction 16 over x EndFraction = StartFraction 48 over 15 EndFraction and cross multiplied to get 240 = 240. Why is this?

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Sonny substituted 5 for x in the proportion StartFraction 16 over x EndFraction = StartFraction 48 o...
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