Simplify the expression.

(9x + 1/2)+(4x − 8 1/2)

plz respond quick this is for a midterm and they are so !

The simplified expression is:

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Step-by-step explanation:

Given expression:

To simplify the given expression.

Solution:

In order to simplify, we will combine the like terms by removing the parenthesis.

We have:

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Combining like terms.

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In order to combine fractions, we will combine the whole number and the fraction separately.

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Thus, the simplified expression is:

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answer: given that the roller coaster can accommodate 1600 riders per hour, thus the roller coaster can accomodate 1600 / 60 = 26.67 riders per minute.

given that there are 345 people in the line, the number of minutes it will take for the 345 persons to get into the roller coaster is given by 345 / 26.67 = 12.94 minutes.

therefore, it will take you 12.94 minutes to get to the front of the line.

step-by-step explanation: