which algorithm is this

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Peter Yang petergyang 13h Our jobs are safe, fam. Sister’s Age Calculation When I was 6 my sister was half my age. Now I’m 70 how old is my sister? If you are 70 years old and your sister was half your age when you were 6, then your sister was 6 2 6233 years old when you were 6. If your sister was 3 years old when you were 6 and you are now 70, then your sister is now 3 70 3707373 years old. So your sister is 73 years old.