A decorator bought a bolt of defective cloth that he judged to be
usable, in which ease the cost would be $0.80 per usable yard. If it was later found that only
of the bolt could be used, what was the actual cost per usable yard

单项选择题The workers at Bell Manufacturing will shortly go on strike unless the management increases their wages. As Bell s president is well aware, however, in order to increase the workers wages, Bell would have to sell off some of its subsidiaries. So, some of Bell s subsidiaries will be sold.The conclusion above is properly drawn if which one of the following is assumed

单项选择题The pages of a report are numbered consecutively from 1 to 10. If the sum of the page numbers up to and including page number z of the report is equal to one more than the sum of the page numbers following page number x, then x=