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.

Answer Link

Otras preguntas

solve these quetions......

32 divided by 1.6 how to work out

Scientists have determined that the amount of carbon dioxide in the atmosphere can be modeled by the equation y = 2x + 368, where x is the number of years since

Which of the following is a good thesis statement? A. It might be a good idea to do something related to the interest rates. B. In this paper, I will discuss th

Physical examination revealing a thick gray membrane covering the throat and tonsils, along with a positive culture of the membrane confirms diagnosis of rubell

Which of the following bones make(s) contact with some of the ribs? A. humerus B. phalanges C. ulna D. scapula

Find the value of x ………………….

Which of these is a disadvantage of hydrogen fuel cells?

I need help pleaseeeee

NEED HELP ASAP PLEASEEE