Answer:
2.7 hours
Step-by-step explanation:
Given that
Marcie spent 3 and 3 by 5 hours for studying the last night
she spent one fourth of the time in studying the history
So, the number of hours she has taken for an art is
The total time taken for 3 and 3 by 5 hours is
= 180 minutes + 36 minutes
= 216 minutes
The 36 minutes is come from
= 3 ÷ 5 × 60 minutes
= 0.6 × 60 minutes
= 36 minutes
The one by fourth is taken for studying history i.e
= 216 minutes × 1 ÷ 4
= 54 minutes
So, the number of hours or fraction for studying the art is
= 216 minutes - 54 minutes
= 162 minutes
= 2.7 hours
We assume she studies two subjects only art and history
