Caleb4904
22.11.2019 •
Mathematics
Aking decided to share his collection of precious rubies with his three daughters. he gave his oldest
daughter, clara, 20% of the rubies. he gave harriet, his middle daughter, 25% of those that were left. he
gave his youngest daughter, melissa, 30% of the remaining rubies. after each daughter had received her
share, the king saw that there were 21 rubies left in his collection,
fet 75%
how many rubies did the king have in his collection to begin with?
how many did each daughter receive?
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Ответ:
Suppose king has 100% of rubies and he decided to give 20% away so he's left with 80%. After that he decided to give 25% of 80% so he's left with 60% of the total rubies. Moreover he distributed 30% of the 60% he had finally he has only 42% of the original left with him that totalled to 21
42x/100=21
x=50
King had total 50 rubies
First daughter share= 50*20%= 10
Second daughter share= 40*25%= 10
Third daughter share= 30*30% = 9
Ответ:
nice profile
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