Respuesta :

bunnymarshmarloykw47
The number of boys in class
=35÷(4+3)(total ratio)×4(ratio of boys)
=20

I am not very good at explaining but I hope it helps ^^
nataliarattiovm2v5
35 : (4 + 3) = 5
5 * 4 = 20 (Boys)
5 * 3 = 15 (Girls)
-----------------
20 + 15 = 35

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