Select the word problem that can be solved with the equation three and three fourths – two and two fourths = ___. Steffan is three and three fourths feet tall and his sister is two and two fourths feet tall. What is their combined height? Steffan exercised for two and two fourths hours this week. His goal is to exercise for three and three fourths hours. How many more hours does he need to exercise to reach his goal? Gretchen exercised for two and two fourths hours last week. This week, she exercised for three and three fourths hours. How many hours did she exercise in all? Gretchen is two and two fourths feet tall. Her brother is three and three fourths feet taller than she is. How tall is Gretchen's brother?