5 2 7. b. and 7 3 5 10 15 = = 7 14 21 2 4 6 8 10 12 14 = = = = = = 3 6 12 12 15 18 21 2 5 is smaller than 3 7 3 1 8. a. Which is greater, or ? 5 4 3 1 is greater than 5 4 Jens Martensson