Jill has a coin collection. She has 21 coins in all. She has 4 times as many pennies as nickels. She has 1 more dime than the number of nickels. She has 1 less quarter than the number of nickels. How many of each coin does she have?

a 12 pennies, 3 nickels, 4 dimes, and 2 quarters

b) 16 pennies, 4 nickels, 5 dimes, and 3 quarters

c) 12 pennies, 3 nickels, 2 dimes, and 4 quarters

d) 16 pennies, 4 nickels, 3 dimes, and 5 quarters

SmartMathMan Sep 11, 2020

#1**+1 **

21 coins

n

p = 4n

d = n+1

q = n-1

n + 4n + n+1 + n-1 = 21

7n = =21

n = 3

then p = 12 d = 4 q = 2

ElectricPavlov Sep 11, 2020