x + (x + 9) = 81
2x = 72
x = 36
x + 9 = 45
The sum of two numbers is 81, one of the numbers is 9 more than the other.What are the numbers?
please help..thanks a lot
2 answers
i think of 3 positive numbers. the greatest number is twice a perfect square. the least of them is 1 less than half the greatest number. the average of the 3 numbers is 12.
1 answer