Nickels and pennies

Question

Skylar has 40% more pennies that nickles. If the value of Skylar’s pennies and nickels is $2.56, how many nickels does Skylar have?

Answer 1

All of it is 100%

40% more is 100% + 40% = 140% = 1.40 = 1.4

 

P = 1.4 N

 

 

The amount in pennies is

  P + 5N = 256

 

 1.4N + 5N = 256

 14N + 50N = 2560

 64N = 2560

 N = 2560/64 = 40

 

 40 nickels

 P = 1.4*40 = 56 pennies

 

 CHECK:

   56 + 5*40 = 56 + 200  = 256

 

56 pennies and 40 nickles