kimjooin02
18.03.2020 •
Mathematics
A cinema has a total of 63 seats in a rectangular grid. It currently has 9 rows, each with an equal number of seats. How many total seats will it have if it adds two seats per row?
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Ответ:
81 seats.
Step-by-step explanation:
Each of the current 9 rows have 63 / 9 = 7 seats.
So adding 2 to each row gives 9 seats per row.
Therefore the new total number of seats = 9*9 = 81.
Ответ:
38ft
Step-by-step explanation: