A book costs £10.
Delivery is £2.50
Tax is 20%.
If I add up the cost of the book and delivery and then add tax it will cost (£10 + £2.50) + 20% of the total.
=£12.50 + 20% = £12.50*1.2 = £15.00
If I add tax to the cost of the book, and then add delivery, it will cost (£10 + 20%) + £2.50 = £10*1.5 + £2.50 = £12.00 + £2.50 = £14.50
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ATOMS are real life examples of atoms. They do exist.
Air
real life example of exterior angles
There are many examples of daily life applications of real numbers. Some of these examples include clocks and calendars.
A vending machine.