diablo871
02.07.2019 •
Mathematics
Word word problems problems 1 ) for one english test, mary correctly answered 31 questions. these correct answers gave him a percent score of 72.09%. in total, how many questions were on this english test? round your answer to the nearest whole number if necessary.
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Ответ:
31 / x = 72.09 / 100
31 / x = 0.7209
31 = 0.7209x
31 / 0.7209 = x
x = 43
In total, there were 43 questions on this English test!
Ответ:
Step-by-step explanation: see attachment below