Difference between revisions of "Ratio"
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| − | A '''ratio''' is the amount of one quantity compared to another quantity, or, in simpler terms, one quantity divided by another. Ratios are written with a colon (the : symbol). | + | A '''ratio''' is the amount of one quantity compared to another quantity, or, in simpler terms, one quantity [[division|divided]] by another. Ratios are written with a colon (the : symbol). |
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| + | When two ratios are equal, they are a ''[[proportion]]''. | ||
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| + | All prices of goods and services are ratios. | ||
==Example of a ratio== | ==Example of a ratio== | ||
| + | *[[Texas]] is approximately 16 times the size of the [[Netherlands]]. Thus the ratio of the size of Texas to the Netherlands would be 16 to 1, written as 16:1. | ||
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| + | *A wage rate of $10 ''per'' hour is expressed as 10:1. | ||
| − | [[ | + | *If [[gold]] sells for $1500 per ounce, and [[silver]] sells for $25 per ounce, it costs approximately 60 ounces of silver to purchase one ounce of gold, or a ratio of 60:1. |
| + | :*If the ratio fell to 40:1, gold would become [[cheap]], and silver would become [[dear]]. | ||
[[Category:Mathematics]] | [[Category:Mathematics]] | ||
Latest revision as of 21:50, June 28, 2021
A ratio is the amount of one quantity compared to another quantity, or, in simpler terms, one quantity divided by another. Ratios are written with a colon (the : symbol).
When two ratios are equal, they are a proportion.
All prices of goods and services are ratios.
Example of a ratio
- Texas is approximately 16 times the size of the Netherlands. Thus the ratio of the size of Texas to the Netherlands would be 16 to 1, written as 16:1.
- A wage rate of $10 per hour is expressed as 10:1.