Question

решите уравнение (0,25+3/10*х)*100=295

Answer 1

(0,25+3/10*х)*100=295
(0,25+3/10*х)=295:100
(0,25+3/10*х)=2.95
310х=2.95-0.25
310х=2.7
х=2710*103
х=27030
х=9