해법
해법
솔루션 단계
Represent the number with
A.T.Q.:
해결 대상
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a goat is tied to one corner of a square field of side 8m by a rope 3m long. Find the 지역 it can graze? Also, find the 지역 the goat cannot graze.Four times a number is 60 less than 6 times the number. Find the number.Eight times the number and 9 is 49. Find the number.A certain amount of money was invested for one year at a rate of 7.5%. At the end of that year it had earned \$675. How much money was invested?The radius of a circle is 9 ft. Find its 원둘레 in terms of pipi