解答
解答
求解步骤
Translate the problem into an equation:
流行的例子
A third of a number plus 15 is 10Determine the simple interest earned on 22,500 after 15 years if the APR is 8%.Mr Stuart is three times as old as Vera. In six years the sum of their ages will be 68. How old is each now?You are dealt one card from a standard 52-card deck. Find the probability of being dealt a ten and a nine.the sum of two consecutive even integers is 18