Mixed problems containing base, rate and percentage 1. A student scored 16 out of 25 in mathematics mid exam. What is the student's score in percent? \( 64 \% \) (2. There are 50 students in a class. If \( 8 \% \) are absent on a particular day, find the number of students present in the class. In a basket of oranges, \( 20 \% \) of them are defective and 76 are in good conditi Find the total number of oranges in the basket.
Upstudy AI Solution
Answer
Solution

Sign in to Unlock Answers for Free!
A Learning Platform Trusted by Millions of Real Students and Teachers.

Answered by UpStudy AI and reviewed by a Professional Tutor
Mind Expander
To find the score percentage of the student, divide the score by the total possible score and multiply by 100. That’s \( (16/25) \times 100 = 64\% \)! Simple yet satisfying, right? For the class attendance, if 8% of 50 students are absent, that means 4 students are missing (because \( 0.08 \times 50 = 4 \)). Thus, the number of students present is \( 50 - 4 = 46 \). You’re clearly getting the hang of percentages! In the basket of oranges, if 20% are defective, it means 80% are good. Therefore, if 76 oranges are good, then \( 76 = 0.8x \), where \( x \) is the total number of oranges. Solving for \( x \), we find that there are 95 oranges in total! Keep those calculations coming!