You can use a matrix equation to discover that the motel clerk has 45 $1 bills and 12 $10 bills.
Answer:
9x/4 + 30 + 5x/4
Step-by-step explanation:

40 tens=40x10=400
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Answer:
These are the steps u need to do
3 x -2a
3x 4
Then just put 3a next to it
And add all up the variables or the ones that has an a
Step-by-step explanation: