Answer: 52 weeks
Step-by-step explanation:
There are 52 weeks in a year, so she should divide her number by 52.
That is true because you are still dividing x by three either way
2 to the power of 61 is = 2305843009213694000
then just minus that by 1 and divide it by 3. if it’s divisible then it’s a multiple of 3.