gio0388 gio0388
  • 16-01-2019
  • Mathematics
contestada

a jar of quarters and nickels contains $1.25 there are 13 coins in all how many of each are there

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allywalker817
allywalker817 allywalker817
  • 16-01-2019
10 nickles and 3 quarters
Answer Link
chloeanna
chloeanna chloeanna
  • 16-01-2019

Answer:

10 nickels 3 quarters

Step-by-step explanation:

# of nickels =x

# of quarters =13-x

value of nickels =5x

value of quarters = 25(13-x)

Total amount 125 cents

5x+25(13-x)=125

5x-325-25x=125

-20x=-200

x=-200/-20

x=10     number of nickels

quarters=    13-10=3

Answer Link

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