cardscook77 cardscook77

25-02-2019
Mathematics

contestada

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?

Respuesta :

25-02-2019

Answer:

48 Rows

Step-by-step explanation:

45x + 40y = 2100

2100/(3x45+40) = 12

12 x 4 = 48

Answer Link

avanipatel1222 avanipatel1222

25-02-2019

Answer:

45x + 40y = 2100

2100/(3x45+40) = 12

12 x 4 = 48

48 rows

Step-by-step explanation:

Answer Link

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