Respuesta :

6+4+3= 13 coins

There are 20 coins so you have to subtract 20-13+7

So, Ms. Mitchell has 7 nickels in her purse

Answer:

7 nickels

Step-by-step explanation:

20 coins = 6 + 4 + 3 + ?

6 + 4 + 3 = 13

20 - 13 = 7

7 nickels