Question

4. Calcular “x”
a) 16 b) 12 c) 20 d) 28 e) 14

Answer 1

Respuesta:

d) 28

Explicación paso a paso:

5k = 20

k = 20/5

k = 4

= 4k

= 4(4)

= 16

= 3k

= 3(4)

= 12

16 + 12 = 28