X*40= 282000:30 ;60*X= 156000:40
282000÷30=9400 9400×40=376000
X*40=282000:30 X*40=9400 X=9400:40 X=235 60*X=156000:40 60*X=3900 X=3900:60 X=65
или X=9400*40 и X=376000