Lời Giải
Lời Giải
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Represent the number with
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20 more than half a number equals 42.The sum of Sally and Beth's age is 60. Six years ago, Sally was 3 times as old as Beth. What are their present ages?The sum of two consecutive integers is 121. What are the integers?4 years ago, Matt won some money in the lottery and put it in a bank account that earns 1% interest compounded annually. If Matt currently has 400.00 in the bank account, how much interest has he earned?A bookstore owner decreased the prices on all books in stock by 20%. If the original price of a book is 24.95, what is the new price rounded to the nearest cent?