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tgraveslaylay2743
28.09.2019 •
Mathematics
Mr. kelly answered seven emails. this is 35% of the emails he must answer. how many emails does he need to answer
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Ответ:
He needs to answer 20 mails.
Step-by-step explanation:
Given : Mr. Kelly answered seven emails. This is 35% of the emails he must answer.
We can write 35% as 0.35. [To convert percent into decimal , we divide it ny 100.]
Let x be the number of mails that must be answered.
Then, according to the question we have,
Divide both sides by , we get
Hence, he needs to answer 20 mails.
Ответ: