Patrick studies for5 whole 2 upon 3 hours daily. he devotes 2-hole 2 upon 3 hours of time for science and mathematics how much time does shsheda vote for other subjects
this is an NCERT question
the answer of this word problem is 5 whole 12 upon 13 hours
please explain me the solution
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Step-by-step explanation:
Total time -
5 \times \dfrac{2}{3} = \dfrac{10}{3}5×
3
2
=
3
10
Time spent on science and math -
2 \times \dfrac{4}{5} = \dfrac{8}{5}2×
5
4
=
5
8
Time spent on other subjects -
\dfrac{10}{3} - \dfrac{8}{5}
3
10
−
5
8
LCM of 3 and 5 = 15
\dfrac{50 - 24}{15}
15
50−24
\dfrac{26}{15}
15
26
Changing into improper fraction -
\dfrac{26}{15} = 1 \dfrac{11}{15}
15
26
=1
15
11
= 1 \: hour \: \dfrac{11}{15} \: \: minutes=1hour
15
11
minutes
\dfrac{11}{15} \times 60 = 44 \: minutes
15
11
×60=44minutes
Hence :
Answer : 1 hour 44 minutes
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