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

how do you simplify 15/32?

In Othello, when Othello demands "ocular proof," how does Iago Answer?

In Othello, when Othello demands "ocular proof," how does Iago Answer?

King Ezana, who converted to Christianity in the 300s, and established it as the official religion, was king of what East African kingdom? Aksum Nok Benin Ghana

explain the difference between these 3 lenghs: 4cm 4.0cm and 4.00cm ????

what is the fact family for 3,6,18

1.5 as a mixed number in the simplest form

What were the two basic causes of the Dust Bowl during the early 1930s? strip mining and toxic chemical dumping over farming and drought urban sprawl and overpo

How did cooperation among faiths lead to development in philosophy? Please help pleaaz

In a bear population, the allele frequency of a gene for brown fur increases from 15 percent to 25 percent. What is happening to the population of bears? A. The