A town of 10,000 people has been growing by 300 people each year

A second town of 30,000 has been shrinking by 200 people each year. When will the two towns have the same population?

i think i may have the correct the answer but i just want to double check with you guys

Question

A town of 10,000 people has been growing by 300 people each year

A second town of 30,000 has been shrinking by 200 people each year.  When will the two towns have the same population?

i think i may have the correct the answer but i just want to double check with you guys

anonymous · Answer

10000+300n=30000-200n
n=number of years
500n=40000
n=80

anonymous · Answer

actually is 500n=20000 and not 40000
so n=40.