benhosef benhosef

19-04-2022
Mathematics

contestada

A rectangle is 7 times longer than it is wide. It its perimeter is 144cm, what is it area?

Respuesta :

19-04-2022

Answer:

9

Step-by-step explanation:

→ Write an expression for the rectangles width

x

→ Write an expression for the rectangles length

7x

→ Now write an equation for the perimeter

x + 7x + x + 7x = 144

→ Simplify

16x = 144

→ Solve

x = 9

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