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07.06.2020 •
Mathematics
An internet auction has two identical cars for sale.Both cars are priced at £10 000.The price of each car is to be reduced each week untill they are sold.The first car is reduced by 10% each week.The second car is reduced by £800 each week. Assuming that no one buys the cars, after how many weeks will the second car be cheaper than the first? You must show your working.
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Ответ:
answer:
first 3/5+4/9=27/45 by doing 5x9=45 then 3x9=27 next do 4x5=20/45
second add (only the numerators the top numbers) 27/45+20/45=47/45
third mixed numbers 47 can go into 45 1 time then the left over 2 will be the numerator so its 1 2/45
last add the -1 2/45
answer: -1 2/45 hope this
step-by-step explanation: