
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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October 4th, 2017, 07:19 AM  #1 
Newbie Joined: Oct 2017 From: KSA Posts: 1 Thanks: 0  Can I Solve this by making an equation
On a map of scale 1 cm : 20,000 cm the area of a forest is 50 cm². On another map the area of the forest 8 cm². Find the scale of the second map. Can I solve this question by making an equation first? 
October 4th, 2017, 08:34 AM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,469 Thanks: 2499 Math Focus: Mainly analysis and algebra 
Yes. Note that area changes with the square of length. 

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