The differences between a number and 12 is 20

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Ineed me i stuck and i don’t want to get it wrong

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96