Lời Giải
Lời Giải
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Translate the problem into an equation:
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\ 62 decreased by twice a numberThe hiệu of two number is 13. The second number is five less than two times the first number. Write a system of equations and find the two numbers.The radius of a circle is 13 in. Find its chu vi in terms of pipi.If you borrow 2000 for 7 years at an annual interest rate of 15% , what is the total amount of money you will pay back?Devaughn is 7 years younger than Sydney. The sum of their ages is 49 . What is Sydney's age?