Please answer #4, thx! Systems of Equations Word ProblemsDatePeriod1) Find the value of two numbers if their sum is 12 and their difference is 4.2) The difference of two numbers is 3. Their sum is 13. Find the numbers.3) The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket salesthe school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 onthe second day by selling 3 senior citizen tickets and 2 child tickets. Find the price of a senior citizenticket and the price of a child ticket.4) The state fair is a popular field trip destination. This year the senior class at High School A and thesenior class at High School B both planned trips there. The senior class at High School A rented andfilled 8 vans and 8 buses with 240 students. High School B rented and filled 4 vans and 1 bus with 54students. Every van had the same number of students in it as did the buses. Find the number of studentsin each van and in each bus.5) The senior classes at High School A and High School B planned separate trips to New York City. Thesenior class at High School A rented and filled 1 van and 6 buses with 372 students. High School Brented and filled 4 vans and 12 buses with 780 students. Each van and each bus carried the samenumber of students. How many students can a van carry? How many students can a bus carry?6) Brenda's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 3senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day byselling 8 senior citizen tickets and 5 child tickets. What is the price each of one senior citizen ticket andone child ticket?7 Matt and Ming are selling fruit for a school fundraiser. Customers can buy small boxes of oranges andlarge boxes of oranges. Matt sold 3 small boxes of oranges and 14 large boxes of oranges for a total of$203. Ming sold 11 small boxes of oranges and 11 large boxes of oranges for a total of $220. Find thecost each of one small box of oranges and one large box of oranges.

Given query is to find number of students in each van and bus.

4) The state 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 8 vans and 8 buses with 240 students. High School B rented and filled 4 vans and 1 bus with 54 students. Every van had the same number of students in it as did the buses. Find the number of students in cach van and in each bus.

4) The state 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 8 vans and 8 buses with 240 students. High School B rented and filled 4 vans and 1 bus with 54 students. Every van had the same number of students in it as did the buses. Find the number of students in cach van and in each bus.

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.3: Conditional Probability; Independent Events; Bayes' Theorem

Problem 43E

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