Twitches
02.07.2020 •
Mathematics
Early one morning sandy took out one half of the coins from her coin bank, and in the evening she put in 20 coins. the next morning she took out one third of the coins in the bank, and that evening she put in 4 coins. the next morning, she took out one half the coins in the bank, leaving 15 coins. how many coins were in the bank to begin with?
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Ответ:
The ratio of the percent increase is not the same as the percent decrease
the original amount of the present increase is different from the original amount for the persons decrease
Step-by-step explanation: