Lời Giải
The sum of twice a number and 14 less than the number is the same as the difference between -30and the number. What is the number?
Lời Giải
Các bước giải pháp
Represent the number with
A.T.Q.:
Giải
Ví dụ phổ biến
Jim is 4 years older than Kat. Five years ago, the sum of their ages was 48. How old is Jim?what is the chu vi of a circle with a diameter of 14 centimetersFind the principal needed now to get the given amount; that is, find the present value.To get 500 after 2 years at 11% compounded monthlyThe ending balance on an investment is 1,620.24. If the principal was invested at 8% for nine years, what was the principal?A mountain bike originally priced at 961.00 is up for sale a discount of 14%.What is the price of the mountain bike after the discount