Y=x+7 all you have to do is simple algebra and add x to get y by itself and divide 14 by 2
The order of a matrix is m×n where m is the number of rows and n is the number of columns.
can you count and find what are m and n here?
10 dimes
The $2 are exchanged for 10 dimes and 4 quarters, which make 14 coins total.
You simply divide 678 by 3 and get 226.
