2nd question from Chap.17: Quadratic Equations

Level 1

Solve the above problem; (First convert into quadratic equation, then solve)

3 and 40 12 and 10 6 and 20 5 and 24

Simone Lin by Simone Lin , 20, China

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2 solutions

Azadali Jivani
Aug 4, 2015

P=2 L+2 W = 58...............eq. -1
A = L B = 120.....................eq. -2
Now L=120/W
& eq.1 became, 2(120/w) +2 W =58
so W =24 or 5 (ans.)

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Ervin Cunanan
Oct 3, 2015

Think of it this way.. 58 is the perimeter .. 5+5=10 , 24+24=48 , 10+48=58 which the length and width is 5 and 24.

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