Grade 8-Linear Equations – Applications

Example 1: The Length of the Legs of an Isosceles Triangle is 5 meters more than its Base. If the Perimeter of the Triangle is given to be 50 meters, find the length of the sides of the Triangle?

Example 2: Jack is twice as old as Lyn, 10 years ago, Jack’s age was thrice the age of Lyn. Find their present age

Example 3 : A Mobile phone store sells a certain brand of phone with a Mark up of 20%. If the current cost of the phone is $ 500, find out how much did the Mobile phone store owner paid the Manufacturer?

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