Question

Me salvem
A) 1/5

B) 5/12

C) 7/12

D) 12/7

Answer 1

R.: c)

1/6+1/4+x = 1
Mmc (6,4)=12
(2+3+12x)/12 = 12/12
5+12x = 12
12x = 12-5
12x = 7
x = 7/12

R.: c) 7/12