Mathematics, 12.01.2020 18:31 skywil8981
At the start of the month a shop had 20-inches and 40-inches television sets in the ratio 4: 5. by the end of the month, 200 20-inches and 500 40-inches were sold and the ratio of 20-inches to 40-inches television sets became 1: 1. how many television sets of each type were there at the start of the month?
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At the start of the month a shop had 20-inches and 40-inches television sets in the ratio 4: 5. by t...
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