basic algebra word problem? find the width

Question

SOLVE IN TERMS OF ONE VARIABLE: A picture frame of uniform width has outer dimensions 12 in by 15 in. Find the width of the frame if 88 sq. inches of the picture shows. Let w = width of the frame, _____= length of the picture, _____= area of the picture, _____= width of the picture, equation:____________=______________

Answer 1

rektangel=12bi 18, area=12*15=180 inch^2 . . . konstant wide strip round inside rim leev area=88 . . . leng=18 is 1.5*wide . . . leng*wide=88=wide*1.5*wide=1.5*wide^2 . . . wide^2=88/1.5=58.666666666666... wide=sqroot(58.6666666)=7.659416862 . . . width av frame around pik =(1/2)*(12 -7.659416862) . . . =4.340583138/2 . . . =2.17039... or bout 2.2 inch