Respuesta :

9514 1404 393

Answer:

  4.2 ft

Step-by-step explanation:

The volume is the product of the dimensions:

  V = LWH

Filling in the given values, we can solve for H.

  15.75 ft³ = (2.5 ft)(1.5 ft)H

  H = 15.75/(2.5×1.5) ft = 4.2 ft

The height of the box is 4.2 feet.