The length of a rectangle is 3 more than its width. The perimeter of the rectangle is 58cm. What are the rectangles dimensions?
Lesson Steps:
Answer:
Grade: 9
Level: Junior high
Subject: Math
Topic: Solving systems by subtraction
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Answer:
Try this, make an equation, like 2(x+3)+2x=58 . Then you see that 2*x+2*3, and you get 2x+6. Then you still have other 2x, and equation brcomes 4x+6=58. 4x=58-6=52, so x=13. One side is 13, and thé Other side is 13+3=16. Done! Answer is 13 and 16
Grade: 9
Level: Junior high
Subject: Math
Topic: Solving systems by subtraction
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