Question 1041304
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#1 was solved in 
<A HREF=https://www.algebra.com/algebra/homework/word/coins/Word_Problems_With_Coins.faq.question.1041302.html>https://www.algebra.com/algebra/homework/word/coins/Word_Problems_With_Coins.faq.question.1041302.html</A>


https://www.algebra.com/algebra/homework/word/coins/Word_Problems_With_Coins.faq.question.1041302.html


For the second problem see these lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/age/Age-problems-and-their-solutions.lesson>Age problems and their solutions</A>


For the ticket problem see the lesson
&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/Matrices-and-determiminant/Solving-word-problems-by-reducing-them-to-systems-of-linear-equations-in-two-unknowns.lesson>Solving word problems by the Cramer's rule after reducing to systems of linear equations in two unknowns</A>.


In general, for all your needs you have this free online textbook in ALGEBRA-I in this site

<A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.