How can you use a compatible number to estimate a quotient when dividing a decimal by a whole number?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Write the equation in logarithmic form m^x=n

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?