Respuesta :

the answer is 350......
[tex]315 \div 0.9 = \dfrac{315}{0.9} = \dfrac{315\times 10 }{0.9 \times 10}= \dfrac{3150}{9} = \dfrac{3150 \div 9}{9 \div 9} = \dfrac{350}{1} = 350[/tex]