Juan has forty dollars in his jacket. Every day he spends half of the
money that is in the jacket. On the first day (Monday), he spends
$20 leaving him with twenty dollars. On what day will he start with
less than $3.00 in his jacket?
A) Friday (Correct Answer)
B) Thursday
C) Tuesday
D) Saturday
Explanation:
On Monday, Juan starts the day with 40 dollars. He ends the day with half that amount ($20).
He starts Tuesday with 20 dollars and ends with $10. He starts Wednesday with 10 dollars
and ends the day with $5. He starts Thursday with 5 dollars and ends the day with $2.50.
He starts Friday with $2.50. Friday is the first day that Juan starts with less than $3.
Related Common Core State Standard: Functions: 8.F.4
