Answer:
width = 50 cm
Step-by-step explanation:
The volume (V) of a rectangular box is calculated as
V = lwh ( l is length, w is width and h is height )
Since V is given in cm³ then dimensions must be in cm
l = 1 m = 100 cm , then
100 × w × 75 = 375000
7500w = 375000 ( divide both sides by 7500 )
w = 50
the width of the box is 50 cm