Question

Fred's friend can't eat wheat, so Fred is baking him a loaf of gluten-free raisin bread. He mixes the dough and leaves it in a bowl to rise. Then, Fred forms the dough into a loaf and puts it in a pan to rise for another
1
2
of an hour. In all, the dough rises for 1
3
4
hours.
Use an equation to find the amount of time the dough rises in the bowl.
To write a fraction, use a slash ( / ) to separate the numerator and denominator.
hours

Answer 1

Let b be the time in the bowl. Equation:
b + 1/2 = 1 3/4

b = 1 3/4 − 1/2
b = 7/4 − 2/4 = 5/4

So the dough rises in the bowl for 5/4 hours (1 1/4 hours).