Question

2. Peter has five times as much money as David.
If Peter gives $28 to David, both of them will
have equal amounts of money. How much
money did Peter have at the beginning?​

Answer 1

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Reactivity Series in chemistry is an experimental, structural and logical progression of series of metals in order of reactivity from highest to lowest. Metals react differently with different substances. It gives a descriptive detail on metal reactions with the extraction of metals from ores and with acids and water.