En un grupo de 40 chicos, hay 7 que no saben nadar, ¿qué porcentaje sabe nadar?

c

step-by-step explanation:

you ignore the remainder, therefore the answer is y = x+2

step-by-step explanation:

you have to divide the denominator by the numerator. you can use synthetic division or long division.

[-5] .     1 .     7 .     11

x + 2 + 1/x+5

mgxmgzmgzzzlgxhhhx. dlulhx

2/3=10/15

1/5=3/15

10+3=13/15

2 13/15 is the answer