[計量] BB Test7, Section4 No.28
在此請教大家,題目語意不大了解,謝謝大家!
28. By weight, liquid A makes up 7.0 percent of solution 1 and
14.5 percent of solution 2. If 3 grams of solution 1 is mixed
2 grams of solution 2, then liquid A accounts for what percent of the
weight of the resulting solution?
(A) 6.09%
(B) 10%
(C) 10.75%
(D) 21.5%
(E) 50%
答案為 (B) 10%
再次謝謝大家!
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