if pankhuri take about half an hour to read a book. how many book could she read 1pm to 3pm
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total time 2 hour,
since in 1.5 hr 1 book
so in 1 hr 1/1.5
and in 2 hr = 1/1.5. × 2 =4/3
since in 1.5 hr 1 book
so in 1 hr 1/1.5
and in 2 hr = 1/1.5. × 2 =4/3
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