3: Add how much she paid for the pie and how much she had left: 6+83=89. 4: Divide how much you have by how much one is: 198/18=11. 5: Add how many there were and how many he added: 47+50=97. 6: Subtract how many she had from how many she now has: 86-13=73. 7: Do what we did in 6. 8: Subtract what she has left from what she found: 63-47=16. 9: Do what we did in 8. 10: Do what we did in 6 and 7. :)
