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3 unknowns using Cramers Rule
Solves for 3 unknowns with equations in the form ax + by + cz = d using Cramers Method.

4 unknowns using Cramers Rule
Solves for 4 unknowns with equations in the form aw + bx + cy + dz = e using Cramers Method.

Simultaneous Equations
Solves a system of simultaneous equations with 2 unknowns using the following 3 methods:
1) Substitution Method (Direct Substitution)
2) Elimination Method
3) Cramers Method

2 movie tickets and 3 snacks are \$24. 3 movie tickets and 4 snacks are \$35. How much is a movie tick
3 adults and 4 children must pay \$136. 2 adults and 3 children must pay \$97.
There are 13 animals in the barn. some are chickens and some are pigs. there are 40 legs in all. How
A test has twenty questions worth 100 points . The test consist of true/false questions worth 3 poin
Tickets for a concert were priced at \$8 for students and \$10 for nonstudents. There were 1340 ticket
I HAVE \$11.60, all dimes and quarters, in my pocket. I have 32 more dimes than quarters. how many di
Two mechanics worked on a car. the first mechanic worked for 5 hours snd the second mechanic worked
Gayle has 36 coins, all nickels and dimes, worth \$2.40. How many dimes does she have?
An executive invests \$23,000, some at 8% and some at 4% annual interest. If he receives an annual re
A pawn broker buys a tv and a computer for \$600. He sells the computer at a markup of 30% and the tv
The Lakers recently scored 81 points. Their points came from 2 and 3 point baskets. If they made 39
A theatre contains 459 seats and the ticket prices for a recent play were \$53 for adults and \$16 for
Rob has 40 coins, all dimes and quarters, worth \$7.60. How many dimes and how many quarters does he
The admission fee at an amusement park is \$1.50 for children and \$4.00 for adults. On a certain day,
John spent \$10.40 on 5 notebooks and 5 pens. Ariana spent \$7.00 on 4 notebooks and 2 pens. What is t
A dormitory manager buys 38 bed sheets and 61 towels for \$791.50. The manager get another 54 bed she
Small pizzas were \$3 and large pizzas were \$5. To feed the throng, it was necessary to spend \$475 fo
I have 20 bills consisting of \$5 and \$10. If the total amount of my money is \$130, how many of each
In Super Bowl XXXV, the total number of points scored was 41. The winning team outscored the losing
Joel bought 88 books. Some books cost \$13 each and some cost \$17 each. In all, he spent \$128. Which