4 1/2÷1/4 Which situation can be modeled using this expression?

Alex has 4 1/2 pages to read for homework. So far, he has finished 1/4 of his homework. How many pages has Alex read so far?
Alex has 4 1/2 pages to read for homework. So far, he has finished 1 fourth of his homework. How many pages has Alex read so far?

Ben has a 4 1/2 foot-long sandwich. He cuts the sandwich into 1/4 foot-long pieces. How many pieces of sandwich does Ben have?
Ben has a 4 1/2 foot-long sandwich. He cuts the sandwich into 1 fourth foot-long pieces. How many pieces of sandwich does Ben have?

Stacy has 4 1/2 hours to get ready for a concert. She spends 1/4 hour showering. How many hours does Stacy have remaining to get ready?
Stacy has 4 1/2 hours to get ready for a concert. She spends 1 fourth hour showering. How many hours does Stacy have remaining to get ready?

Kim has 4 1/2 cups of flour. She uses 1/4 cup of flour for a recipe. How many cups of flour does Kim have remaining?