Question

Pls help asap

Answer 1

The surface area of a box 50x28x20 is 5920in^2

You can use the formula for surface area of a rectangular box:
2(h × W) + 2(h × L) + 2(W × L)
and replace the values
2(20*28) + 2(20*50) + 2(28*50)
which gives you about 5920.