Question 158879
6. 10 inches to 3 feet
: {{{3cross(ft)(12inches/1cross(ft))=36inches}}}
So, 10 inches to 3 feet -----> 10 inches to 36 inches, By RATIO:
{{{10/36}}} ---> {{{cross(10)5/cross(36)6}}} divide both num. & den. by 2
 ------> {{{5/6}}} ANSWER
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7. 5 feet to 5 yards
: {{{5cross(yards)(3ft/1cross(yard))=15(ft)}}}
So, 5feet to 5 yards ----->  5 feet to 15 feet , By RATIO:
{{{5/15}}} --> {{{cross(5)1/cross(15)3}}} divide both num & den by 5 ---------> {{{1/3}}} ANSWER
Thank you,
Jojo