A student applies for twenty scholarhips to various universities. Eleven of the scholarships pay a book stipend. Twelve scholarships include a meal ticket. Four of the scholarships exclude meals and books. How many scholarships pay for both books and meals?

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
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Chapter2: Solving Linear Equations
Section2.4: Solve Mixture And Uniform Motion Applications
Problem 2.82TI: Galen sold 810 tickets for his church’s carnival for a total revenue of $2,820. Children’s tickets...
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A student applies for twenty scholarhips to various universities. Eleven of the scholarships pay a book stipend. Twelve scholarships include a meal ticket. Four of the scholarships exclude meals and books.

How many scholarships pay for both books and meals?

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