The balloon seller sold balloons in bags of  10.  The number of balloons of different colors he sold on various days are given below.   Red Blue Green Sunday 250 290 240 Monday 200 290 320 1. How many bags of blue balloons are sold on Sunday?   2. How many bags of green balloons are sold on Monday?   3. How many bags of balloons are sold on Monday?   4. How many bags of balloons are sold on Sunday?   5. If 20 balloons cost 26 cents, how many cents does a bag of balloons cost?