Final answer:
Sarah is going to donate $32.70 to charity. option c.
Step-by-step explanation:
To find out how much money Sarah is going to donate to charity, we need to calculate the remaining money after she spends 25% on new clothes. 25% of $218 is $(218 * 0.25) = $54.50. So, she has $(218 - 54.50) = $163.50 remaining. Now, she will donate 20% of this remaining money to charity. 20% of $163.50 is $(163.50 * 0.20) = $32.70. Therefore, Sarah is going to donate $32.70 to charity, which is option C. To find out how much money Sarah is going to donate to charity, we need to calculate the remaining money after she spends 25% on new clothes. 25% of $218 is $(218 * 0.25) = $54.50. So, she has $(218 - 54.50) = $163.50 remaining. Now, she will donate 20% of this remaining money to charity. 20% of $163.50 is $(163.50 * 0.20) = $32.70. Therefore, Sarah is going to donate $32.70 to charity, which is option C.