John sells roses for $3 each but spent $49 to start his business. Rob sells roses for $4 each but spent $68 to start his business. How many roses must they sell to have the same amount of money?

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