Question

«15p-10c/200c-300p» решите пожалуйстаааа

Answer 1

$frac{15p-10c}{200c-300p}=\\frac{5*3p-5*2c}{100*2c-100*3p}=\\frac{5(3p-2c)}{100(2c-3p)}=\\frac{5(3p-2c)}{-5*20(3p-2c)}=\\frac{-1}{20}=-0.05$