Arrange the following numbers in ascending order: 0.7, 3/4, 72%, 4/5.

✓ Correct Answer: Option B

Convert all values to decimals: 0.7 = 0.7; 3/4 = 0.75; 72% = 0.72; 4/5 = 0.8. In ascending order, these are 0.7, 0.72, 0.75, 0.8. Therefore, the original numbers in ascending order are 0.7, 72%, 3/4, 4/5.