Question 188958
if she has read 25% then she has 75% left to read.....3 times what she has read already
:
so if if took 5 hours to read 25% then it will take 3(5)=15 hours to read the rest.
:
you could set this up as a proportion
:
{{{.25/5=.75/x}}}
:
5(.75)=.25x
:
x=15 hours