heyhoIneedHelp heyhoIneedHelp 02-03-2017 Mathematics contestada Solve each equation mentally. 16. 9b = 36 17. 11w = 66 18. 80 = 10d 19. 45 ÷ m = 5 20. g ÷ 4 = 12 21. 26 ÷ k = 2