Respuesta :
'of' means multiply
2/7 of 63=[tex]( \frac{2}{7} )( \frac{63}{1} )= \frac{(2)(63)}{(7)(1)}= \frac{126}{7}= \frac{18}{1}=18 [/tex]
2/7 of 63=[tex]( \frac{2}{7} )( \frac{63}{1} )= \frac{(2)(63)}{(7)(1)}= \frac{126}{7}= \frac{18}{1}=18 [/tex]