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MATH / Every student in the senior class is taking history or science. There are 200 seniors in the class. If there are 126 seniors taking history and 129 seniors taking science, how many…

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problem

Every student in the senior class is taking history or science. There are 200200 seniors in the class. If there are 126126 seniors taking history and 129129 seniors taking science, how many students are taking both history and science?
Plain-text mathematical notation (without MathML)
Every student in the senior class is taking history or science. There are 200 seniors in the class. If there are 126 seniors taking history and 129 seniors taking science, how many students are taking both history and science?
Original LaTeX notation
Every student in the senior class is taking history or science. There are $200$ seniors in the class. If there are $126$ seniors taking history and $129$ seniors taking science, how many students are taking both history and science?

level

Level 2

type

Prealgebra

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