Question

Jennys mom says she has an hour before its bed time. Jenny spends 1/3 of the hour texting a friend and 1/4 of the time brushing her teeth and putting on her pajamas.She spends the rest of the time reading her book. How many minutes did jenny read

Answer 1

`25\ minutes`

Explanation:

Let

x-----> number of minutes that Jenny read

we know that

`x=1-((1)/(3)+(1)/(4))\\ \\x=1-((4+3)/(12))\\ \\x=1-(7)/(12) \\ \\x=(5)/(12)\ hour`

Convert to minutes

`(5)/(12)*60=25\ minutes`