How much does she have so far in total??
2+ 3/5 is
2+

=

she needs 3, so she needs
3-

more
let's change the 3 into a mixed number with a denominator of 5:

-

=

so

is the answer
Bob has 27 books.
Charles has two thirds as many books as Bob.

Charles has 18 books.
Jim has three times as many books as Charles.

Jim has 54 comic books.
It would take her 3 hrs and 6 mins to complete the second half. Hope this helps!
The largest integer is 144, and the other two numbers are 143 and 142.
X=a/y-b would be the answer for this question