An Ice Hockey rink is a rectangle with a perimeter of 174 meters. The length is 9 meters more than twice the width. What equation describes this problem? (Remember that the perimeter is twice the length plus twice the width)

Question

Mathematics

Deja Hopkins

4 April, 16:50

An Ice Hockey rink is a rectangle with a perimeter of 174 meters. The length is 9 meters more than twice the width. What equation describes this problem? (Remember that the perimeter is twice the length plus twice the width)

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Answers (1)

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Gregory Compton · Answer 1

Let width be x metres

so, length is "9 metres more than twice the width" - -> 9+2x

So, perimeter is x + x + (9+2x) + (9+2x) = 174

6x + 18 = 174

6x = 156

x = 156/6

x = 26m

width = 26m

length is therefore 9+2 (26) - -> 9+52 - -> 61m