At Larry's Auto Supply Store, Brand X antifreeze is sold by the gallon and Brand Y motor oil is sold by the quart Excluding sales tax, what is the total cost for 1 gallon of Brand X antifreeze and 1 quart of Brand Y motor oil?
(1)Excluding sales tax, the total cost for 6 gallons of Brand X antifreeze and 10 quarts of Brand Y motor oil is $58. (There is no quantity discount.)
(2)Excluding sales tax, the total cost for 4 gallons of Brand X antifreeze and 12 quarts of Brand Y motor oil is $44. (There is no quantity discount.)
- AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
- BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
- CBOTH statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
- DEACH statement ALONE is sufficient.
- EStatements (1) and (2) TOGETHER are NOT sufficient.
OA: C， 其实关于这道题目我没有问题，只是想问一下各位大神，同类型的问题若条件一，二联立可以得出结论是无解， 是否算作sufficient 呢？ 以及为什么？我记得kkk的周帆老师讲过，关于what's the value..类型若求出多个解是Insufficient因为不能唯一确定，那么若是确定无解呢？是否同理为Insufficient？