Circumference can be calculated by 2pi*r where r is the radius.
So 2*3.14*6.1 = 38.308
To the nearest tenth, the answer is 38.3 cm
Because there is no cost for the sweatshirts, there is no way to solve this for the amount of sweatshirts needed. However, the amount of money each student needs to make off of them is $95.
To find Jenny's age as a percentage of her great grandmother's age :
7/12
12/7
1`2/7
7/12
a reciprocal you just flip the fraction
