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

5. Acid + Metal → a Salt + _______
My Brian isn’t comprehending this... can someone help me and also explain it please?!
Please someone help meeeee!!!
Which term is a perfect square of the root 3x4? O 6x8 6x16 9x8 O 9x16
Combine like terms to write an equivalent expression. Then use y = 5 to prove the expressions are equivalent.1 + y + y + y + 1​
YOU’LL GET MARKED BRAINLIEST IF YOU ANSWER THIS!!!
Given: g(x) = Vx – 4 and h(x) = 2x - 8. What is g(h(10))?
Which crop is an example of increased southern farming variety beginning in the 1970's A) rice B) cotton C) tobacco D) soybeans
9 1/12 - 4 5/8 - 2 2/3=​
All molecules are made up of