Problema Solution
Lisa spends the same amount of time doing homework each day. On Monday, she spent 1/2 of her time studying for a history test. On Tuesday, she spent 3/5 of her time studying for hte same test. In the two days, she spent a total of 3 hours and 29 minutes studying for the test How much time does she spend doing homework each day?
Answer provided by our tutors
let
x = the time Lisa spends doing homework each day
3 hours 29 min = 3*60 + 29 min = 209 min
(1/2)x + (3/5)x = 209
by solving we find:
x = 190 min
x = 190/60 hr
x = 3 hr 10 min
click here to see the step by step solution of the equation:
Lisa spends 3 hours and 10 minutes doing homework each day.