![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Which is the best estimate for the number of minutes on the calling card.
\Observe the figure,
\Find the number of minutes.
\To estimate the number of minutes on the calling card, divide![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=301aef249fd790cef9cd74794d0cf040.png\")
by ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=90e84604207ccd0e82d377d451d3b488.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=08ba728ba95dcfb727a3dd5a80f97886.png\")
.
Therefore, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e576e44b79dd03e396cbb8ac4213a1b.png\")
on the calling card.
Option (D) is right choice.
\![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
Option (D) is right choice.