Question

the ratio of the length of an airplane wing to its width is 7 to 1 if the length of the wing is 25.3 M how wide must it be

Answer 1

`\bf \cfrac{length}{width}\qquad 7:1\qquad \cfrac{7}{1}\qquad \qquad \cfrac{\stackrel{length}{25.3}}{\stackrel{width}{w}}=\cfrac{7}{1}\implies \cfrac{25.3\cdot 1}{7}=w`