Question

a room has a perimeter of 48 feet. The width is 2/3 of the length. What is the dimensions of the room

Answer 1

okay lets do this together. what is the perimeter of a room, if its length is L and width is W?

Answer 2

p=48

Answer 3

no no, I am asking you the formula for perimeter of a rectangle whose length is L and width is W.

Answer 4

p=2l+2w

Answer 5

okay great!. so 48 = 2L+2W

Answer 6

now, the problem states that width is 2/3rds as long as the length.

Answer 7

so what is the relationship between L and W?

Answer 8

the width is 2/3 of the length

Answer 9

right, so can you express that in mathematical terms?

Answer 10

48=2l + 2(2/3)l

Answer 11

great!
solve for L and then get W = 2/3L

Answer 12

how i dont understand