You have 126 in a checking account. The automated cash...

You have $$\$ 126$$ in a checking account. The automated cash machine will give you only $$\$ 10$$ bills.
(a) What is the most money you can withdraw?
(b) Does this illustrate rounding up, rounding down, or rounding to the nearest?

Key Concepts

Rounding Down

Rounding down, also known as the floor function, involves reducing a number to the nearest integer that is less than or equal to it. In practical situations, such as when transactions are limited to specific denominations, any fractional result from division is discarded to ensure that only whole unit multiples are considered.

Integer Division in Discrete Contexts

Integer division is the process of dividing two numbers and only considering the whole number portion of the quotient, ignoring any remainder. This is essential in contexts where items cannot be subdivided, such as dispensing currency in whole bills or coins, ensuring that the resulting value conforms to the allowable increments.

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