Barbara can walk 3,200 meters in 24 meters. mavis can walk 11,808 feet in 24 minutes. who walks faster rate of speed? explain the steps you take to solve the problem.

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?