The cost C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385?

Me with this one question, and i'll upvote the brainliest answer

Write the pair of fractions as a pair of fractions with a common denominator

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