Isabel wrote this mystery problem. the quotient is multiple of 6. the dividend is multiple of 9. the divisor is a factor of 12. write one possible equation to isabel's mystery problem.

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels