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All students in Ridgewood Junior High School either got their lunch in the school cafeteria or brought it from home on Tuesday. 
2% of students brought their lunch. 40 students brought their lunch. How many students in total are in Ridgewood Junior High School?
Answer:

All students in Ridgewood Junior High School either got their lunch in the school cafeteria or brought it from home on Tuesday. 2% 2 \% of students brought their lunch. 4040 students brought their lunch. How many students in total are in Ridgewood Junior High School?\newlineAnswer:

Full solution

Q. All students in Ridgewood Junior High School either got their lunch in the school cafeteria or brought it from home on Tuesday. 2% 2 \% of students brought their lunch. 4040 students brought their lunch. How many students in total are in Ridgewood Junior High School?\newlineAnswer:
  1. Understand Problem: Understand the problem and identify the given information.\newlineWe know that 2%2\% of students brought their lunch and that this corresponds to 4040 students. We need to find the total number of students in the school.
  2. Set Up Equation: Set up the equation to find the total number of students.\newlineLet the total number of students be represented by TT. Since 2%2\% of TT is equal to 4040 students, we can write the equation as:\newline0.02×T=400.02 \times T = 40
  3. Solve Equation: Solve the equation for TT to find the total number of students.\newlineDivide both sides of the equation by 0.020.02 to isolate TT:\newlineT=400.02T = \frac{40}{0.02}
  4. Calculate Total: Calculate the total number of students. \newlineT=400.02=2000T = \frac{40}{0.02} = 2000

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