Answer:
a : 6
b : 240
c : 166.7 or 166.666666667
Step-by-step explanation:
Hope this helps!
You can use the app photo math to get the answer it’s free, hope this helps!
Answer: 
Step-by-step explanation:

Answer:9 nickels and 19 dimes.
Step-by-step explanation:
Let
be the number of nickels Kay has.
Let
be the number of dimes Kay has.
Value of
nickel is $
Value of
nickels is $
Value of
dime is $
Value of
nickels is $
Given that Kay has a total of
coins.
So,
...(i)
Given that Kay has a total value of $
So,
...(ii)
Using (i) and (ii),

