Question

Помогите!
7)5 1/7×3,5<х<23
8)1,5× 9 1/3<z<18,8.

Answer 1

7)
5 1/7 * 3,5 < х < 23,
36/7 * 35/10 < х < 23,
18 < х < 23,
х = 19, 20, 21, 22,

8)
1,5 * 9 1/3 < z < 18,8,
15/10 * 28/3 < z < 18,8,
14 < z < 18,8,
z = 15, 16, 17, 18