1) 8/14 = x/35; 2) 7/28 = x/12; 3) 4/x = 6/18 4) 14/10 = 21/x 5) x/10 = 18/60 6) 45/25 = 18/x
1. х = 20 2. х = 3 3. х = 12 4. х = 15 5. х = 3 6. х = 10