The shop sold silks on 540000 rubles for the first hour of work and for the second on 360000 rubles how many meters of silk were sold in the second hour if in both hours 10 m of this silk were sold

540000+360000=900000r all 900000:10=90000r the cost of 1 meter of silk of 360000:90000=4m540+360=900 000 rubles in 2 hours. 90000 rubles cost 1 m that in the second hour sold 4 m of silk
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