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

Latisha purchased a pair of jeans for $35. She had a 10% off coupon. How much was the discount? She had to pay 7% sales tax. What was her final price for the je
Why is the American flag considered a symbol of the United States A) it represents the country’s history B)it represents a dominant religious faith C)it is flow
How do prokaryotic cells replicate?
You have a bag of 10 marbles. Three of them are red, five are blue, and two are green. What is the probability of randomly picking a green or blue marble out of
five books cost¢21. what is the price cost of seven similar books​
Someone plz help me giving brainliest!!
The Asian High Dam was originally created to prevent the Nile river's flooding, generate electricity and provide water for agriculture. However, due to this cha
pls help i will give you like and brainliest if you are correct!!!
A friend owes $10,000 on his credit card. He plans to stop making charges and pay off the balance. The card has a minimum payment of 5%. He figures correctly th
8(-9-5x)+4b X=9 B=-9