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

formula of average speed​
Write a dialogue about uses of computer​
Whose claim is more believable?
The diagram shows a swinging pendulum. A pendulum hanging from a bar is shown in 3 positions. 1 is swung to the right, 1 to the left, and 1 in the middle. Solid
Please help!!!!! A special blend of coffee costs $15.00 for 8 pounds. To the nearest penny, how much will 10 pounds cost?
Once you have identified the author’s claim and also located all of the evidence provided, how do you analyze the claim? Decide if the author should have done m
2/10 convert to a decimal​??????????
algebra 1. please help me. i’m literally struggling , i’ll give an extra 50 points if it’s right and brainliest. - question in picture please don’t use me for
Which class of people was at the top of the Japanese feudal system but had little real power? O A. Daimyo B. Samurai C. Emperors O D. Shogun
How did the Greeks apply the law? a. Everyone was equal. c. Poor people were better. b. Women were better. d. Rich people were better. Please select the best an