解答
解答
求解步骤
Translate the problem into an equation:
Round to the nearest hundredth:
流行的例子
Six years ago, Sally was 12 years younger than thrice her sister's age. How old is Sally if she is twice as old as her sister now?Find three consecutive odd integers whose sum is −249Bill is four times as old as Lily. Two years from now, Bill will be nine times as old as Lily was two years ago. Find their present ages.The radius of a circle is 19 in. Find its 周长 in terms of pipi.The 半径 of a circle is 5 ft. Find its area in terms of pipi.