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17-10-2020
Mathematics

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60% of the students in Mr. Vick's class have computers at home. If 21 students in his class have computers at home, how many students are there in his class?

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17-10-2020

Answer:

There are 35 students in his class.

Step-by-step explanation:

1. Create a proportion: 60/100=21/x

2. Cross multiply, or not (I prefer to cross multiply). 60x=2100

3. Solve the equation: x=35.

Answer: There are 35 students in his class, 14 people going in school, 21 student online.

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