In a class of students, there are three types of students: those who study science, those who study arts, and those who study commerce. If 40% study science, 30% study arts, and the rest study commerce, what percentage of students study commerce? (2023)

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Q: In a class of students, there are three types of students: those who study science, those who study arts, and those who study commerce. If 40% study science, 30% study arts, and the rest study commerce, what percentage of students study commerce? (2023)

Solution: 30% study arts and 40% study science, leaving 30% for commerce.

Steps: 4

Step 1: Identify the percentages of students studying science and arts. Science is 40% and arts is 30%.
Step 2: Add the percentages of students studying science and arts together. 40% + 30% = 70%.
Step 3: Subtract the total percentage of students studying science and arts from 100% to find the percentage studying commerce. 100% - 70% = 30%.
Step 4: Conclude that 30% of the students study commerce.

In a class of students, there are three types of students: those who study science, those who study arts, and those who study commerce. If 40% study science, 30% study arts, and the rest study commerce, what percentage of students study commerce? (2023)

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