Lamonicalewis89 - 14.01.2016 08:20How do you do proportions? (Attachment)

Amy Davies - 14.01.2016 23:351) 4 x d = 3 x 6 4 x d = 18 d = 18 ÷ 4 d = 9 ÷ 2 2) 6 x 5 = b x 3 30 = b x 3 b = 30 ÷ 3 b = 10 3) 1 x 16 = b x 4 b = 16 ÷ 4 b = 4 4) 1 x 24 = 3 x c c = 24 ÷ 3 c= 8 5) a x 49 = 7 x 14 a x 49 ÷ 7= 7 x 14 ÷7 a x 7 = 14 a = 14 ÷ 7 a = 2 6) a x 6 = 3 x 2 a x 6 = 6 a = 1 7) 4 x d = 10 x 6 4 x d ÷ 2 = 10 x 6 ÷ 2 2 x d = 30 d = 15 8) 11 x d = 12 x 22 11 x d ÷ 11 = 12 x 22 ÷ 11 d = 12 x 2 d = 24 9) 15 x 20 = a x 45 15 x 20 ÷ 5 = a x 45 ÷ 5 3 x 20 = a x 9 a x 9 = 60 a x 9 ÷ 3 = 60 ÷ 3 a x 3 = 20 a = 20 ÷ 3 10) 6 x 32 = a x 4 6 x 32 ÷ 2 = a x 4 ÷ 2 11) X ÷ 6 = 55 ÷ 66 X ÷ 6 = 5 ÷ 6 X = 5 12) 5 ÷ a = 45 ÷ 54 5 ÷ a = 5 ÷ 6 a = 6 (Attachment)