Can someone please give me the (Answers) to this? ... please ... I need help….

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Can someone please give me the (Answers) to this? ... please ...

I need help….

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28 votes

7.
$(15)/(21) =(25)/(25 +?)\\15(25+?) = 21*25\\375 + 15*? = 525\\? = 10$

8.
$(?)/(77) =(30)/(30+25) \\?(30+25)=77*30\\55? = 2310\\? = 42$

9.
$(11-5)/(11) =(?)/(22) \\22(11-5) = 11(?)\\132 = 11*?\\? = 12$

10
$(?)/(?+28) =(8)/(8+16) \\(?)/(?+28) =(8)/(24) \\8(?+28)=24?\\8?+224=24?\\16? = 224\\? =14$

Nojetlag answered Oct 18, 2023

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