Respuesta :

5 times the quantity 2 m + 6 n minus 3 n
=5 *2 m + 6 n- 3 n
=10m + 6n -3n
5 times the quantity 2 m = 10m
6 n minus 3 n = 6n-3n

so......

10m+6n-3n

Answer : B. 10m+6n-3n

Hoped I helped! :)

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