Ratio is a pair of numbers that compare two quantities in the same unit by division.
440:8 = 440/8 5:10 = 5/10 2.5:46 = 2.5/46
Php 225 for 2 1/2 kilos of chicken.
225:2.5 / 90:1
Proportion is a statement that 2 ratios are equal.
1:4=2:8
The numbers 4 and 2 are called means.
The numbers 1 and 8 are called extremes.
What is the value of "n"?
8:n = 5:15
Using cross products we see that 5 × n = 8 × 15 =120, so 5 × n = 120. Dividing both sides by 5, n = 120 ÷ 5 so that n = 40.
