andybiersack154
11.09.2021 •
Mathematics
in an examination 25 percentage of them failed to obtain the pass mark. the number of candidates who passed was 150 . how many candidates failed . show working
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Ответ:
9514 1404 393
50 failed
Step-by-step explanation:
If 25% failed, then 100% -25% = 75% passed. The number who failed is ...
failed/passed = 25%/75% = 1/3
of the number who passed.
(1/3)(150) = 50 . . . . candidates failed
Ответ:
11
Step-by-step explanation:
if 3 equels 4 then 12 equels 11