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

Which of these options is a simple sentence? Choose 1 answer: Choose 1 answer: (Choice A) A The rhinoceros lowered its head and charged. (Choice B) B The rhinoc
who was the president who followed the open door policy
how do you solve 2r^2+2r-24=0 using the quadratic formula ?
Whose point of view is shown in "The Players"? the players, the classmates, and the bully the players, the classmates, and the teacher the classmates, the bu
Which of the following ideas is about diving government into legislative, judicial, and executive branches ? A) separation of powers B) social contract C) natu
What are the Four abundant numbers between 1 and 25
Grant spent 2.50,$4.00,$4.25, and $3.25?On breakfast one week.The next week he spent $6 more in total for the 4 breakfasts than the week before. What is the inc
I need some help on a puzzle. plz explain but you dont need to in great detail
elise reads at a constant rate. she can read 6 pages in 14 minutes. what is the number of pages, y, elise can read in x minutes? (write an equation)
NEED ANSWER QUICK!!!!!!! Maria solved the equation -5 7/8 n = -12 1/4. Her answer was n = 2 4/47. She is fairly confident about her answer but wants to do a q