New Steemians Project: 15 SBD Contest July 24, 2017

The "New Steemians" project aims to educate, resteem articles, and give extra rewards to new members of the steem community. You can learn more about the New Steemians Project here: https://steemit.com/introduceyourself/@gaman/new-steemians-project-launch

---

Solve the following math problem to get 15 SBD. Only the first person who answered the question correctly will win the prize. To be eligible, you must have less than 500 followers and you must have written an article that is 1000 characters long last week July 17 - 24.

Instruction:

Write the answer as a comment below. Also include a link to an article you have written that is 1000 chars long in the week of July 17 - 24. The first one to answer wins 15 SBD. Not following the instructions above disqualifies you from the contest.

Question:

The whole level of grade 3 students in a school went to watch a movie in the park. If the seats were arranged in a way that each row has 7 seats, the last row will have 2 empty seats. If the seats were arranged to have 10 seats in a row, the last row will have 5 empty seats. There will also be 6 fewer rows needed if arranged this way. How many total students are there?

I reserve the right to amend the above contest.