Question

Sendo a//b//c , determine z e y:

Alguém que saiba?

Answer 1

A) X + y / X = 4+ 3 /4

21/X = 7/4
7x = 84
X = 84/7
X = 12

21/y = 7/3
7y = 63
Y = 63/7
Y = 9

B) X + y / X = 4+ 10 /4

21/X = 14/4
14 X = 84
X = 84/14
X = 6

X + y / y = 14/10
21/ y = 14/10
14 y = 210
Y = 210/14
Y = 15