St. Augustine grass can grow at the rate of 4 over 7 centimeter per week. How many weeks will it take the grass to grow 12 over 7 centimeters?

Explain your answer using words, and show your work using division of fractions.

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?