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해법
솔루션 단계
Translate the problem into an equation:
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There are 3 consecutive integers that sum to 63. What are the integersthe sum of two consecutive even integers is 42. find the two integersThe 지역 of a square is 100cm^2 What is its perimeter?At the end of the year, cars made in the current year are marked down to make room for next year's models. One particular model had a sticker price of 24,000 when it was new. It has just been marked down by 29%. What is the sale price of the vehicle?Two trains leave stations 300 miles apart at the same time and travel toward each other. One train travels at 80 miles per hour while the other travels at 70 miles per hour. How long will it take for the two trains to meet?