Sand castles

Hana's sand castle measures 19 feet by 15 feet and has a perimeter of 68. Thomas's sand castle measures 8 yards by 6 yards. What is the difference between the two perimeters?

Correct answer:

d =  16 ft

Step-by-step explanation:

a=19 ft b=15 ft p1=2 (a+b)=2 (19+15)=68 ft  x=8 yd ft=8 3  ft=24 ft y=6 yd ft=6 3  ft=18 ft  p2=2 (x+y)=2 (24+18)=84 ft  p2>p1  d=p2p1=8468=16 ft

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