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Step-by-step explanation:

Let's first understand what percentage of the population actually exists after the decrease.

100% - 35% = 65% of the population.

We'll now convert 65% into a decimal. We can convert percentages into decimals by dividing the percentage by 100.

0.65 / 100 of the population.

We'll now make an equation.

0.65x = 29,900x = 46,000.Keep in mind that x, in the equation, is to represent the previous population. When you multiply it by 0.65, you're representing 65% of x which is also equal to 29,900. When you multiply the equation by (100/65) on each side, you find out the previous population is 46,000.If you have issues or difficulties, feel free to contact me.

A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats