Question

1 и 2, СРОЧНО!!!пожалуйста!!!!!

Answer 1

1а) (4+5)/5 = (х+3)/3
(х+3) = 27/5
х = 27/5 - 3 = 12/5 = 2,4

Answer 2

1б) х/8 = 6/10 ;   х = (8*6)/10 = 4,8