malikareed5
malikareed5 malikareed5
  • 02-09-2020
  • Mathematics
contestada

19. Amy has 8 coins worth $1.40. Some of the coins are nickels and some are quarters. How
many of each coin does Amy have?

Respuesta :

2005Alexis 2005Alexis
  • 02-09-2020

Answer:

5 quarters and 3 nickels

Step-by-step explanation:

x = nickels

y = quarters

x + y = 8

x(0.05) + y(0.25) = 1.40

3 + 5 = 8

3(0.05) + 5(0.25) = 1.40

0.15 + 1.25 = 1.40

1.25 + 0.15 = 1.40

Answer Link

Otras preguntas

Explain how "night" is a metaphor for the author, Elie Wiesel in the novel, Night.
Jason has 144 feet of material to build a fence a round a rectangular garden on his property if the widht of the fence must be 9 feet what is the lenght of the
Plot (−1 3/4, 4 1/2) on the coordinate plane.
What were the three major religions of the early Tang Dynasty? For what important historical event was one of these sects expelled?
What is the product?
What part of the frankincense tree is used to make essential oil
The chemical equation for a reaction between nitrogen and oxygen is shown. N2 + O2 → 2NO Based on the diagram, which statement best describes the energy change
The Dogged Impresario O Cortege of the concert hall had to book the famous soloist two years in advance.
Finding Angles with Justification
Why did Native Americans fight against the United States in the Plains Indian Wars during the late 1800s?