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My teacher wrote the answer on the side but can you please tell me how he got it

My teacher wrote the answer on the side but can you please tell me how he got it-example-1
User Brage
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1 Answer

5 votes


(70)/(9)
(7)/(90)*100
(70)/(9)

now solve further.


7.77\text{ \%}

thus, the answer is 7.77% of 90 is 7.


(7)/(90)*100=(70)/(9)=7.77^{}

thus, the answer is 7.77% of 90 is 7.

User Olegr
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