[tex] \dfrac{21 \textrm{ feet}}{8 \textrm{ yards}} \times \dfrac{1 \textrm{ yard}}{3 \textrm{ feet}} = \dfrac{7}{8}[/tex]
Answer: 7/8
8 yards = 3* 8 = 24 feet.
so we have the ratio 21:24
= 7:8 in simplest form answer (this is as a result of dividing both numbers by 3)
