Rehana teaches the underprivileged children for 2 27 hours in a day-How many hours does she teach the children in a week-

Rehana teaches 2 2 7 in a day = 14+2 7 = 16 7 hrsThere are 7 days in a weekIn a week she will teach =7× 16 7 =16 hrs ...

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Standard XII

Mathematics

Intersection of Sets

Rehana teache...

Question

Rehana teaches the underprivileged children for $2 \frac{2}{7}$ hours in a day.How many hours does she teach the children in a week?

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Solution

Rehana teaches $2 \frac{2}{7}$ in a day $= \frac{14 + 2}{7} = \frac{16}{7}$ hrs
There are $7$ days in a week
In a week she will teach $= 7 \times \frac{16}{7} = 16$ hrs

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Rehana teaches the underprivileged children for 227 hours in a day.How many hours does she teach the children in a week?

Rehana teaches 227 in a day=14+27=167 hrsThere are 7 days in a weekIn a week she will teach=7×167=16 hrs

Rehana teaches the underprivileged children for $2 \frac{2}{7}$ hours in a day.How many hours does she teach the children in a week?

Rehana teaches $2 \frac{2}{7}$ in a day $= \frac{14 + 2}{7} = \frac{16}{7}$ hrs
There are $7$ days in a week
In a week she will teach $= 7 \times \frac{16}{7} = 16$ hrs