Here's how to solve for the variable h:
60 = 3/4h divide both sides by 3/4
Remember, dividing by a fraction is the same as multiplying by its reciprocal (which is 4/3 in this case.
60 (4/3) = h multiply 60 by 4/3
240/3 = h simplify the fraction
80 = h
You answer is h = 80.