What is the number of 4 is subtracted from the sum of one fourth of 5 times of 8 and 10 answer is 31​

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.

4+(2+x) can you me solve this problem