Level 3 The total mass of Pierre and Rael is 46.6 kg. The total mass of Rael and Mark is 59 kg. If the total mass of Pierre and Mark is 56 kg, find the mass of Mark.
Level 3 (1) Doughtnut $2.00 (2) Cake $2.20 (3) Sandwich $2.10 (4) Pie $2.30 Peter spent $4.50 on 2 items. Which 2 items did he buy? Give the answers in numbers. (Eg 1, 2)
