A ratio is a mathematical term that is used to compare the size of one number to the size of another number. It is commonly used in both mathematics and in professional environments.
Here are some everyday examples of times when you could use ratios:
- When you convert your Pounds to Dollars or Euros when you go on holiday
- When you calculate your winnings on a bet
- When you work out how many bottles of beer you need for a party
- When you share a packet of sweets fairly among your friends
- When you calculate how much tax you must pay on your income
Ratios are usually used to compare two numbers, though they can also be used to compare multiple quantities.
Ratios are often included in numerical reasoning tests, where they can be presented in a number of different ways. It is therefore important that you are able to recognize and manipulate ratios however they are presented.
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