Cashier can give him for change that One $10 one $5 and four 1$.
Arithmetic operations can also be specified by the subtract, divide, and multiply built-in functions.
Joaquin gave the cashier $40
Price of dvd = $21
Cashier gave him total amount = $40-$21= $19
Cashier can give him for change = 19 = 10+5+4×1
Hence, cashier can give him for change that One $10 one $5 and four 1$.
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