Answer:
9
Step-by-step explanation:
at most he can use 9 nickels to get the answer
9n = 3n-12
-3n= -3n
6n= -12
divide by 6 = -2 =n
to check.. 9 times -2 = -18 soo.. 3 times -2= -6-12= -18
so it is correct!!
hope it helps :)
Answer:
17 = x/18 and 23 = .84/n
Step-by-step explanation:
Answer:
E
Step-by-step explanation: