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

Sentence with the word hearken
What is 14.54 - n = 7.52?
Hello! Also this! Thank you so much
Read the five points highlighted above from Wilson’s Fourteen Points. Choose the point you think is the most important to the goals Wilson outlines in his speec
which of these layers is made mostly of iron and nickel? inner core, core, mantle, & crust
Poem that is told in an actual matter
Which sentence uses an appropriate transition to contrast ideas? a.) Movies demand little effort from an audience; likewise, audiences often eat, text, and ch
a clothing store office very often various promotions to attract customers but wants to maintain the same amount of profit to do this the store mark up prices a
Under a Feudal contract, what was required of a vassal?
i need help Never did this before