yohtolentinol yohtolentinol

01-03-2021
Mathematics

contestada

John has $5.05 in quarters and nickels in his pocket. If John only has 25 coins in his pocket, how many of the coins are quarters?

Respuesta :

01-03-2021

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.

Answer Link

WhitePanther WhitePanther

01-03-2021

Answer:

John has 19 quarters out of 25 coins.

Step-by-step explanation:

Answer Link

Otras preguntas

I don’t understand how I’m supposed to do this problem!

picking a blue marble from a bag of 4 red Marbles, 6 marbels, and 1 white marble

Determine the area of a sector with a central angle of 90° and a radius of 10 meters. A. 25 meters2 B. 90π meters2 C. 100π meters2 D. 25

What value of y makes the system of equations below true? y = 9x - 7 y = 6x - 4 a.) 2 b.) 1 c.) -1 d.)-2

How does Ellis island impact the plot?

Whats is the equation of the following line?

Please help! I need to know the surface area of this! I will mark brainliest!

nine out of 20 teens said they eat breakfast every morning. What is a reasonable prediction for the number of teens out of 280 who eat breakfast every morning?

Please help and thank you

A system of government by groups or officials.