Mrs.cruz is always ready to offer the schools' rescue kabataan (RK) hall as vaccination site for students'VACC to school program. if the width of the hall is 20 meters less than its length and the area of its floor is 189 square meters, what mathematical sentence can be formulated in relating the width, length and he area of the floor?
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Answer:
Mathematical Sentence: x² - 20x - 189 = 0
Dimensions = 20m x 7m
Step-by-step explanation:
Let x = length
Let x-20 = width
(x)(x-20) = 189
x² - 20x - 189 = 0
(x - 27)(x + 7) = 0
x = 27, -7
possible length is 27 meters and the width is 7 meters.