A student spends 37.5% of his money on food 28.75% on rent and 15% on books what percentage of her money is left to spend on other things.
To find out the percentage of money left, we need to subtract the percentages spent from 100% (which represents the total money).
100% - 37.5% - 28.75% - 15% = 18.75%
Therefore, the student has 18.75% of his money left to spend on other things.
To find the percentage of the student's money left to spend on other things, we need to subtract the percentages spent on food, rent, and books from 100% (since we want to find what percentage is left).
Step 1: Add up the percentages spent on food, rent, and books.
37.5% + 28.75% + 15% = 81.25%
Step 2: Subtract the sum from 100% to find the percentage left to spend on other things.
100% - 81.25% = 18.75%
Therefore, the student has 18.75% of their money left to spend on other things.