Kayla is building a custom frame using reclaimed wood. she needs the frame to be 14 1/2 inches wide by 9 1/4 inches long. she has two pieces of wood which are 18 inches long and two pieces which are 12 inches long. how much extra wood will she have?

She will have 6 and 1/4 inches of wood left. 23 3/4 - 30 is 6 1/4.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: