faustinabaiden810 faustinabaiden810

04-07-2020
Mathematics

contestada

Peter has 30 pens and Tony has 14 pens .How many pens must Tony give Peter so that Peter shall have 3 times as many as Tony?

Respuesta :

gilbertazavedo72 gilbertazavedo72

04-07-2020

Answer:

Let p be the number of pencils.

3(14-p)=30+p

42-3p=30+p

4p=12, p=3.

So Peter ends up with 33 and Tony with 11. 3*11=33, so that confirms that Tony gave Peter 3 pencils.

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