해법
해법
솔루션 단계
Translate the problem into an equation:
가장 가까운 hundredth 으로 반올림:
인기 있는 예
Find the original price of a pair of shoes if the sale price is 56 after a 20 % discount.the sum of 3 times a number and 4 is 6 .The 원둘레 of a circle is 15pi ft. What is the area, in square feet? Express your answer in terms of pipi.A square piece of glass has a perimeter of 28 centimeters. How long is each side of the piece of glass?2500 dollars is placed in an account with an annual interest rate of 9%. To the nearest year, how long will it take for the account value to reach 7500 dollars?