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Activity 1: Find Me! Direction: Solve the following problems.
1. The length of a rectangular lot is three times the width. If the area of the rectangular lot is 432m2, find the length and width.
2. Maria is 7 less than four times as old as Jose. The product of their ages is 47 more than the sum of their ages. How old are Maria and Jose?
answer correct or report
Activity 1: Find Me! Direction: Solve the following problems.
1. The length of a rectangular lot is three times the width. If the area of the rectangular lot is 432m2, find the length and width.
2. Maria is 7 less than four times as old as Jose. The product of their ages is 47 more than the sum of their ages. How old are Maria and Jose?
answer correct or report
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Answer:
1.
=x(3x)=432
x²+3x=432
x²+3x-432=0
(x+6)(x-72)=0
x+6=0 x-72=0
-6-6 +72+72
x=-6 x=72
x-6=72-6=66
CHECK;
72m×6m
(72×6) (m×m)
432m²(true)