Activity solve Forn 1. 9:n = 45:80 2. n:45 = 14:35 3" 9:15: n:5 4. 2:n = 4;8 5.25:n = 5:7
Answer (1)
Answer:1. 9:N = 45:80 45N = 9 × 80 45N = 720 45N/45 = 720/45 N = 162. N:45 = 14:35 35N = 45 × 14 35N = 630 35N/35 = 630/35 N = 183. 9:15 = N:5 15N = 9 × 5 15N = 45 15N/15 = 45/15 N = 34. 2:N = 4:8 4N = 2 × 8 4N = 16 4N/4 = 16/4 N = 45. 25:N = 5:7 5N = 25 × 7 5N = 175 5N/5 = 175/5 N = 35
