A nickel is equal to 5 cents or 0.05 dollars.
A quarter is equal to 25 cents or 0.25 dollars.
Let number of nickels be = n
Let number of quarters be = q
...........(1)
As it is given, there are 3 more nickels than quarters so equation becomes,
................(2)
Plug in the value of 'n' from (2) in (1)
= 
As we get, 
Hence, there are 12 nickels and 9 quarters.
Answer:
Second Graph.
Explanation:
It's the only graph that is concave down and the slope is decreasing.
X, y - the numbers
The product is 18.
The quotient is 2.
Substitute 2y for x in the 1st equation:
The numbers are
6 and 3 or
-6 and -3.
Most likely because there are more boys than girls but there could be an odd that a girl will be in the group since there is less girls and hs;es picking at random
I think its the last one, Aidan can expect to save about $27.52 each week. Hope I was correct
