covertnatalie covertnatalie

29-04-2020
Mathematics

contestada

The length of a rectangle is 3 feet more than the width. If the perimeter is 82 feet, what are the length
and the width?

Respuesta :

Chelboy Chelboy

01-05-2020

Answer:

L=22feet

w=19feet

Step-by-step explanation:

Perimeter(p)=82

Length=(L)

Width=(w)

P=2L+2w

2L+2w=82 .......(1)

L-w=3........(11)

From (11) L=3+w

Substitute L=3+w in (1)

2(3+w)+2w=82

Clearing brackets

6+2w+2w=82

6+4w=82

Collect like terms

4w=82-6

4w=76

w=76/4

w=19

Substitute w=19 in (11)

L-19=3

Collect like terms

L=3+19

L=22

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