SASMO 2021 Grade 10 Question 13

Derrick spent 200 dollars over 5 days. Each day he spent no more than on the previous day, and each daily amount was an integer number of dollars. What is the smallest possible total, in dollars, spent on the 1st, 3rd and 5th days?

Interpretation: Daily expenditure is nonnegative; a day with zero spending is allowed, as in the source solution.