The county fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 1 van and 4 buses with 141 students. High School B rented and filled 1 van and 1 bus with 42 students. Every van had the same number of students in it as did the buses. Find the number of students in each van.
The county fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 1 van and 4 buses with 141 students. High School B rented and filled 1 van and 1 bus with 42 students. Every van had the same number of students in it as did the buses. Find the number of students in each van.
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 52SE: A car wash offers the following optional services to the basic wash: clear coat wax, triple foam...
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Step 1
Let the number of students in each van be x and in each bus be y.
According to question,
x+4y = 141 ............. (1)
x+y = 42 .................. (2)
=> y = 42-x ............ (3)
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