Understanding Ratios
A ratio is a comparison of two or more quantities. Ratios can be written as A:B, A/B, or "A to B." They are used in cooking, maps, finance, and science.
To simplify A:B โ divide both by GCD(A,B)
12:8 โ GCD=4 โ 3:2
12:8 โ GCD=4 โ 3:2
Ratio Applications
- Cooking: Scale recipes up or down maintaining taste
- Maps: 1:1000 means 1 cm = 1000 cm in reality
- Finance: Debt-to-equity ratio, price-to-earnings ratio
- Mixing: Cement, paint, chemical solutions