Question 1197098
Leslie bought '3' identical phone cases for a total cost of $20.97 
including a $6.99 flat rate fee for shipping.
'c' the cost of the cell phone case
What equation 'could be used' to find the cost for each cell phone case, c?
 3c + 6.99 = 20.97  ****
A. is Your Answer


Then... one could solve for  'c'
  c = (20.97 - 6.99)/3