Use of Decimal in Calculating Money
We will learn the use of decimal in calculating money.
As we already know that,
100 cents = 1 dollar or 100 ¢ = $ 1
So, one cent is one hundredths of a dollar.
or, 1 ¢ = $ \(\frac{1}{100}\) = $ 0.01
Similarly, 10 ¢ = $ 0.10 (10 cents is ten hundredths of a dollar)
50 ¢ = $ 0.50 (50 cents is fifty hundredths of a dollar)
Dollars and cents can be expressed together as decimals.
For example,
8 dollars 25 cents = $ 8.25
24 dollars 96 cents = $ 24.96
25 dollars 40 cents = $ 25.40
120 dollars 29 cents = $ 120.29
10 dollars 5 cents = $ 10.05
238 dollars 03 cents = $ 238.03
Note: In a decimal, cents are always written in double figures.
For example, 5 ¢ = $ 0.05 and 9 ¢ = $ 0.09
Addition and subtract of money is same like addition and subtraction of decimal and whole number.
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