(1) Make 24: (a)  (7 x 2) + (6 + 4) = 24      (b)  (8 ÷ 2) x (3 x 2) = 24
                       (c)  (3 ÷ 3) x (3 x 8) = 24      (d)  (5 x 5) – (5 ÷ 5) = 24   (Other answers may be possible)

(2) Letters, Numbers... Confusion!!:  A = 4,  B = 2,  C = 1,  D = 3,  E = 5   (Other answers may be possible)

(3) Farmer Strob:  a) 36 cents per cabbage.
                               b) $156.24 more made during August than July. There are 31 days in both August and July.
                                        15% of 32 cents is 4.8 cents.

(4) Mystery Numbers:  a) 694      b) 660      c) 714      d) 1028  (Other answers may be possible)

(5) How High?:   19 metres (via scale drawing)   (Some flexibility with this answer should be exercised. Answer given was NOT arrived at through trigonometry.).

(6) Some More Soma:   N/A; Sight the solutions in class.

(7) Squares and Octagons:   N/A; sight solutions in class.

(8) Terrible Tangrams:  N/A; sight solutions in class.

(9) Problem Solving Galleria:
Problem 1:  20kg (Puppy = 8kg   Cat = 4kg)
Problem 2:  a) x = 11      b) x = –6      c) x = –8
Problem 3:  2.67 days (or 2 and 2/3 days)
Problem 4:  72 bags
Problem 5:  3887.652 grams or 3.887652kg
Problem 6:  a) 10.1 metres      b) 1.344 metres
Problem 7:  Derek earns $7, 128.16 more than Charlie each year.
Problem 8:  $2.88 saved in total per case. Problem 9:  106 full turns (actually 106.666 turns)
Problem 10:  Car costed $32, 035.28
Problem 11:  22 full rotations (actually 22.285 turns)
Problem 12:  340 seats in Theatre 3

(10) Intergalactic Mining Problems:
Commander Trox:      Bay 1: 32t, 77b, 44c      Bay 2: 41x, 91y, 88y      Bay 3: 66r, 41a, 88z.

Commander Plis:      Bay 1: 12h, 06j, 98v      Bay 2: 61f, 98c, 13q      Bay 3: 53b, 79m, 71w.

Commander Wyndax:      Bay 1: 20h, 28s, 37j      Bay 2: 63z, 91v, 47k      Bay 3: 08z, 18t, 11g.