Money
Dollar
Definition Dollar
The US dollar is the money used in the United States.
The symbol for the dollar is \(\dollar\).
The symbol for the dollar is \(\dollar\).
Definition Cent
1 cent=0,01 dollar
Definition Coins and Bills
| 1 dollar |  |
| 2 dollars |  |
| 5 dollars |  |
| 10 dollars |  |
| 20 dollars |  |
| 1 cent=0.01 dollars |  |
| 5 cents=0.05 dollars |  |
| 10 cents=0.10 dollars |  |
| 25 cents=0.25 dollars |  |
| 50 cents=0.50 dollars |  |
Profit
Definition Profit
Profit is the money left after paying all the costs.Profit \(=\) Income \(-\) Expenses
Example
Sarah gets \(\dollar\)10 from selling lemonade (this is her income). She spent \(\dollar\)4 on lemons and sugar (these are her expenses). What is her profit?
$$\begin{aligned}\text{Profit} &= \dollar 10 - \dollar 4 \\&= \dollar6\\\end{aligned}$$Sarah made a profit of \(\dollar\)6. She makes money.