Q2) Tickets for a play cost $7 for students and $10 for adults. On opening night, all 380 seats were filled. And the box office revenue was $3290.00. How many student and how many adult tickets were sold? Q3) A student takes out loans totaling $10000 to help pay for college expenses. One loan is 4% simple interest and the other is at 8% simple interest. The first year interest is $520.00. Find the amount of loan at 4% and the amount of loan at 8%. Q4) Solve the system of three equations 5x +5y +z = 18 4x -2y - z = -3 4x + y + 3z = 15
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Q2) Tickets for a play cost $7 for students and $10 for adults. On opening night, all 380 seats were filled. And the box office revenue was $3290.00. How many student and how many adult tickets were sold?
Q3) A student takes out loans totaling $10000 to help pay for college expenses. One loan is 4% simple interest and the other is at 8% simple interest. The first year interest is $520.00. Find the amount of loan at 4% and the amount of loan at 8%.
Q4) Solve the system of three equations
5x +5y +z = 18
4x -2y - z = -3
4x + y + 3z = 15
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