Question

ME AJUDAAAA PFV , N QUESTAO 6 ????

Answer 1

6.1)
x/18 = 4/24
24x = 18 * 4
24x = 72
x = 72/24
x = 3

6.2)
20/36 = 5/x
20x = 36 * 5
20x = 180
x = 180/20
x = 9

6.3)
15/x = 6/2
6x = 15 * 2
6x = 30
x = 30/6
x = 5

6.4)
8/7 = 16/x
8x = 16 * 7
8x = 112
x = 112/8
x = 14