해법
해법
솔루션 단계
Translate the problem into an equation:
해결 대상
인기 있는 예
\ 62 decreased by twice a numberThe 차이 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 원둘레 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?