해법
해법
솔루션 단계
Translate the problem into an equation:
해결 대상
인기 있는 예
seven times the 차이 of a number and 4 is no more than 10two numbers are in ratio 1:1 and their sum is 15. Find the numbersAndrew is 6 years older than twice Maddy's age. If the sum of their ages is 78, how old is Maddy?10 is 20% of what number?:[?]The radius of a 원형 is 5 in. Find its area to the nearest whole number.