Problem Solving
试题详情
题目：
Cheryl purchased 5 identical hollow pine doors and 6 identical solid oak doors for the house she is building. The regular price of each solid oak door was twice the regular price of each hollow pine door. However, Cheryl was given a discount of 25% off the regular price of each solid oak door. If the regular price of each hollow pine door was $40, what was the total price of all 11 doors?
选项:
A、Gammatech has been in the business of designing data transmission systems for several years more than Aptron has
B、the number of small businesses that need computer networking systems is likely to double over the next few years
C、it is much more likely that Gammatech's system will be expandable to meet future needs
D、 unlike many data transmission companies, Aptron and Gammatech develop computers in addition to data transmission systems
E、 it is easier for users of the current data transmission technology to switch to Aptron's product than to Gammatech's
答案:
C
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