
You must first enter the size of each of the 4 compartments of the Venn diagram (above) which interpret the numerical information given in the problem above. The questions below are crafted to require reading the English for its logical content : BE CAREFUL.
(a)  How many students used Macs? 
(b)  How many students did not use Macs? 
(c)  How many students used both types of computers? 
(d)  How many students did not use both types of computers? 
(e)  How many students did not use either type of computers? 
