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

a+b-c=180 solve for a

Prelinguistic cooing refers to the production of _____.

Describe how an electromagnet is created? What makes it attract ferromagnetic materials?

According to the figure above, what type of plate boundary occurs between the Nazca Plate and the South American Plate? a. convergent oceanic-continental plate

which areas natural resources are least likely to be able to support a high population density? A) River flood plain B) Desert C) Valley D) Delta I think the an

In order to increase the amount of work done, we need to

Which is an advantage of using barcodes? A. Increased speed of transactions B. Decreased data reliability C. Increase in human error D. Improved product appeara

Write as a sum of logarithms log 1/2 (abc)

What is the reciprocal of 6 4/5? A.) 5/34 B.) 29/5 C.) 34/5 D.) 15/5

What is 5.06 grams of oxygen in atoms