The expression is 37.5 of 89.

The percent is 0.375 and the whole is 89. You need to find the part.

Let n represent the part.

Part = percentwhole

n = 0.37589    (Substitute percent = 0.375 and whole = 89) \ \

n = 33.375        (Multiply: )

33.375 is 37.5 of 89.