Lời Giải
Alvin's age is two times Elga's age. The sum of their ages is 24. What is Elga's age?
Lời Giải
Các bước giải pháp
Translate the problem into an equation:
Giải
Ví dụ phổ biến
six less than two thirds of a number is negative ten.A principal 20300, is invested at 12% interest for 5 years. Determine the future value if the interest is compounded quarterly. resent value of the project.six more than the product of a number and 3 is equal to 4In 4 years’ time, a mother will be three times as old as her son. Four years ago she was five times as old as her son. Find their present ages.the product of some negative number and 3 less than twice that number is 464