A man walks 3x km on the first day, 12 km on the second day and 2x km on the third day. Write an expression for the total distance walked in 3 days.​

-1/4 > -1 2/3. -1/4 is greater than -1 2/3 because it is closer to 0 on the number line.

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

93-8=85

855=17

17*4=68

there are 68 purple marbles in that bag