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

Ladybug beetles chase, capture, and eat smaller insects called aphids. Which best describes this relationship? It is parasitism. The ladybugs are the parasites

According to the image, what do the people need? Picture of a red coat and a purple hat. © 2011 Jupiterimages Corporation Nous avons besoin d’un blouson

To convert cubic yards to cubic meters you should multiply by what number

Where does old seafloor sink back into the earth to be recycled

Find all points on the y-axis that are a distance 6 from p(4, 7).

How did the united states and its allies apply the containment policy in europe?

How to find the radian measure of an angle given the degree?

please help me out I'm really confused

Determine the domain of the function f(x) = 2x - 4 when the range is {0, 12, 20}. Question 11 options: {2, 8, 12} {0, 12, 20} {4, 16, 24} none of these

at 7 p.m. the temperature was 5 degrees Fahrenheit and midnight the temperature was -7 degrees Fahrenheit what was change in the temperature