\
Number of CDs with Sancho
Number of CDs with Brianna \ \
Total number of CDs =
Number of CDs with Sancho + Number of CDs with Brianna
\ \
=9 (Add: 4+5=9)
Total number of CDs 9
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=962cee740d5fd9db1dfcb4ec34098e6a.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7cb0a9b56c2008da2485ba584174adc2.png\")
\ \
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4650725c52919d5d5dbca2578b4c4b01.png\")
\ \
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")