Question

решите уравнения
7:8=x:96
y:1 5/31=7 3/4:1/3

Answer 1

7 : 8 = х : 96
х = 7 * 96 : 8
х = 84
-----------

у : 1 5/31 = 7 3/4 : 1/3
y = 1 5/31 * 7 3/4 : 1/3
y = 36/31 * 31/4 : 1/3
y = 9 : 1/3
y = 27
------------