Level 3
Sean bought equal number of boxes of red marbles and packets of blue marbles. 3 boxes and 2 packets contain 24 marbles. 2 boxes and 3 packets contain 21 marbles. There were 108 marbles altogether. How many boxes of red marbles did Sean buy?
Level 3
Kathy had 20 pencils and some erasers. She packed 5 pencils and 2 erasers in each goodie bag. How many erasers did Kerne pack in all the goodie bags?