Mr jamison, an art teacher, would like to purchase enough supplies to get the class stocked he picks up 8 dozen sketch pencils 6 dozen colored pencils and 3 dozen art gum erasers if the sales tax rate is 8 percent approximately what will his bill be

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?