10. In two types of stainless steel, the
.ratio of chromium and steel are
2:11 and 5:21, respectively. In
what proportion should the two
types be mixed, so that the ratio of
chromium to steel in the mixed
type becomes 7:32?
(1) 2:3
(2) 3:4
(3) 1:2
(4) 1:3
Answers
Answered by
2
Answer:
option 2 is correct. 3:4 is the answer
Answered by
0
Answer:
option 3 is correct 2 is wrong
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