SOLUTION: a parking lot began with four times as many spaces in a row as rows. after being expanded 5 more rows were added and 9 more spaces in each row . the maximum number of spaces that t

Question 1147637: a parking lot began with four times as many spaces in a row as rows. after being expanded 5 more rows were added and 9 more spaces in each row . the maximum number of spaces that the parking lot will hold is 469. If r represents the original number of rows, which of the following represents this situation? A. 4r 2 < 514
B. 4r 2 + 29r + 45 < 469
C. 4r 2 + 45 > 469
D. 4r 2 + 29r > 514
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Draw a rectangle with the width r and the length 4r
Then the new rectangle is r+5 multiplied by 4r+9
This is B.

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