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BIG POINTS!!!In a hall there are 2100 seats. In a row there are either 45 or 40 seats. There are three times more rows with 45 seats than with 40 seats. How many rows are there?…

BIG POINTS!!!In a hall there are 2100 seats. In a row there are either 45 or 40 seats. There are three times more rows with 45 seats than with 40 seats. How many rows are there?…
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BIG POINTS!!!In a hall there are 2100 seats. In a row there are either 45 or 40 seats. There are three times more rows with 45 seats than with 40 seats. How many rows are there?

asked
User Bwoebi
by
8.4k points

2 Answers

6 votes

Answer:

45x + 40y = 2100

2100/(3x45+40) = 12

12 x 4 = 48

48 rows

Explanation:

answered
User Jacky Shek
by
7.6k points
4 votes

Answer:

48 Rows

Explanation:

45x + 40y = 2100

2100/(3x45+40) = 12

12 x 4 = 48

answered
User Aprillion
by
8.5k points
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