City X provided 18 million dollars of the total funding for its cultural center last year. from all of the remaining sources of funding, how many million dollars were provided by private grants and private endowments last year?
(1) Total funding for the center last year was 60 million dollars.
(2) Last year the amount of the center's funding provided by private grants was half the amount provided by private endowments and the amount provided by private endowments was one-third the amount provided by city X.
The answer is B, but doesn't condition (1) work as well??
If a^2-b^2=0, does a=0?
(1) ab=0
(2) b=-b
(1) Total funding for the center last year was 60 million dollars.
(2) Last year the amount of the center's funding provided by private grants was half the amount provided by private endowments and the amount provided by private endowments was one-third the amount provided by city X.
The answer is B, but doesn't condition (1) work as well??
If a^2-b^2=0, does a=0?
(1) ab=0
(2) b=-b
