Answer:
7
Step-by-step explanation:
51 ÷ 7.2 is about 7.08 continued but you can't make .08 of a braclet so it's just 7
x= 19/7
56/7 is 8 so 8x4 is 32 is is easy
The radius of the circle with the circumfrence we need to find is 15+3=18.
18*2pi=113.04
