Lời Giải
Lời Giải
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Represent the numbers with :
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If I double my number then it is equal to the number I though of yesterday he also says the number i thought of yesterday was 4 less than 3 times today's number what number did the magician think of yesterdayfour more than the product of a number and 2 is equal to 9A person invests 4000 dollars in a bank. The bank pays 5.25% interest compounded monthly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 5100 dollars?Chloe puts 6,000.00 into an account to use for school expenses. The account earns 14% interest, compounded quarterly. How much will be in the account after 6 years?a number added to itself gives 72