The number that you are looking for is 540
Answer:
Step-by-step explanation:
We are looking for two numbers,
and
. From the problem statement, we can setup the following equation:





Because 3 is the only integer solution, the answer is 3 and 4.
Answer:
12+# OR 12+x
Step-by-step explanation:
Increased by 12 means plus 12. The word "is" in equations is an equal sign. So far, you have 2n+12. On the other side of the equal sign, you have 31 less than 3 times a number.