The highest common factor of 4 and 3 is 12
one minute has 60 secs
thus it will blink 60/12=5 times
Answer:
The population of this city in 13 years is 440,550.
Step-by-step explanation:
Given:
Suppose a city with population 300, 000 has been growing at a rate of 3% per year.
Now, to find the population of this city in 13 years.
Let the population of this city in 13 years be 
Population (
) = 300,000.
Rate per year (
) = 3%.
Time (
) = 13 years.
Now, we put formula to get the population of the city in 13 years:

Therefore, the population of this city in 13 years is 440,550.
Complementary angles add up to 90 degrees.
The complement of 57 is (90 - 57) = 33 degrees.