Mrs. Park has 3 boxes of crayons. Each box has 12 crayons. Mrs. Park takes c crayons out of each box. Which expression can be used to find the total number of crayons left in these boxes?
Yu multiply 12*3 because he says each box as 12 crayons and he has 3 boxes and he wants to know the total 36 but than he says if he takes c out the box what expressions would use use
