Respuesta :

Answer:

The surface area of the ceral box is 1,500u².

Explanation:

2(30 × 5)+2(30 × 20)= 1,500

30 × 5 = 150

30 × 20 = 600

150 × 2 = 300

600 × 2 = 1,200

1,200 + 300 = 1,500

There's your answer, hopefully it's correct!