Counging and Listing Solutions

1. 1. H1, H2, H3, H4, H5, H6, T1,T2, T3, T4, T5, T6
   2. 12 = 2•6
2. 1. DJSP, DJPS, DSJP, DSPJ, DPJS, DPSJ,
      JDSP, JDPS, JSDP, JSPD, JPSD, JPDS,
      SDJP, SDPJ, SJDP, SJPD, SPDJ, SPJD,
      PDJS, PDSJ, PJDS, PJSD, PSJD, PSDJ
   2. 24 = 4•3•2•1 = 4!
3. 1. BE, BF, BP, BT, EF, EP, ET, FP, FT
   2. NO
   3. 10
4. 1. 3432
   2. 5148
   3. 2860
   4. 11,440
5. You should have ended up with 16 different combinations of recipes.