You can use a matrix equation to discover that the motel clerk has 45 $1 bills and 12 $10 bills.
Answer:
x = 
Step-by-step explanation:
Given
cx - 4 = 7 ( add 4 to both sides )
cx = 11 ( isolate x by dividing both sides by c )
x = 
Answer:
11
Step-by-step explanation:
(40+16)=56 or
(4x10)+(4x4)=56 or
4x(10+4)=56
246-79-104= 63
63 People came to swim on the 3rd day