A pile of sand has been transported three times by one truck. Six out of eleven of the total sand has been transported twice at this speed. After two times, there are still 2.5 tons of sand left. How many tons of sand are there?

A pile of sand has been transported three times by one truck. Six out of eleven of the total sand has been transported twice at this speed. After two times, there are still 2.5 tons of sand left. How many tons of sand are there?


27.5 tons



Transport a pile of sand, six times to transport her two fifths, according to this speed, the rest of the transport () times to finish


Mass per shipment: 2 / 5 divided by 6 = 1 / 15
Total number of times to transport: 1 divided by 1 / 15 = 15 times
Times to transport: 15-6 = 9