Solve.
-Erika spent $\frac{3}{4}$ hr on her computer visiting the history channel and the discovery channel websites. She spent $\frac{1}{4} \mathrm{hr}$ at the history channel website. How many hours did she spend at the discovery channel website?
A) $\frac{7}{16} \mathrm{hr}$
B) $\frac{1}{2} \mathrm{hr}$
C) $\frac{11}{16} \mathrm{hr}$
D) $\frac{1}{8} \mathrm{hr}$

Question

Quizplus · Accepted Answer

Erika spent $ \frac{3}{4} $ hr in total and $ \frac{1}{4} $ hr at the history channel, so she spent $ \frac{3}{4} - \frac{1}{4} = \frac{2}{4} = \frac{1}{2} $ hr at the discovery channel website.

Solve -Erika Spent 34\frac{3}{4}43​ Hr on Her Computer Visiting the History Channel and the History

Solve
-Erika Spent $\frac{3}{4}$ Hr on Her Computer Visiting the History Channel and the History