Answer :
The probability of choosing one romantic novel out of ten possible books is 4/10.
After that, one book is taken out of both the pile so the number of options decrease to 3/9 being romance novels.
Thus, you must multiply those two ratios to get an answer of 12/90.
......I think
After that, one book is taken out of both the pile so the number of options decrease to 3/9 being romance novels.
Thus, you must multiply those two ratios to get an answer of 12/90.
......I think