Highest 62464

The iron pipes are placed in 10 rows, one above the other so that in the highest upper row, there are 15 pipes, and in each other, there is one tube more. How many pipes are there?

Correct answer:

s =  195

Step-by-step explanation:

a1=15 n=10 d=1  a10=a1+9 d=15+9 1=24  s=(a10+a1)/2 n=(24+15)/2 10=195



Did you find an error or inaccuracy? Feel free to write us. Thank you!







You need to know the following knowledge to solve this word math problem:

Related math problems and questions: