1) 4.3/5.6=17.2/8х 2) 1.9х/5.2=5.7/3.9

Question

1) 4.3/5.6=17.2/8х 2) 1.9х/5.2=5.7/3.9

Answer 1

1) 8х = 5,6 * 17,2 : 4,3; 8х = 22,4; х = 2,8
2) 1,9х = 5,2 * 5,7 : 3,9; 1,9х = 7,6; х = 4