Respuesta :

irspow

Answer:

Step-by-step explanation:

q+n=25

n=25-q

25q+5n=505, using n=25-q in this equation gives you

25q+5(25-q)=505

25q+125-5q=505

20q+125=505

20q=380

q=19

So 19 of the coins are quarters.

WhitePanther

Answer:

John has 19 quarters out of 25 coins.

Step-by-step explanation:

Otras preguntas