Problema Solution
Erika spent 3/4 hr. on the computer visiting History Channel website and the discovery channel websites. She spent 1/3 hr. at History channel website. How many hours did she spend at the discovery channel website?
Answer provided by our tutors
let x = the hours Erika spent at the discovery channel:
1/3 + x = 3/4
by solving we find:
x = 5/12 hr
click here to see the step by step solution of the equation:
x = (5*60/12) min
x = 25 min
Erika spent 5/12 hours or 25 min at the discovery channel.