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Write a system of equations and solve the following:

Cody's school is selling tickets to a spring musical. On the first day of ticket sales the school sold
6 adult tickets and 13 student tickets for a total of $159. The school took in $164 on the second
day by selling 8 adult tickets and 12 student tickets. Find the price of an adult ticket and the price
of a student ticket.

A) adult ticket: $5. student ticket: $14

B) adult ticket: $3. student ticket: $13

C) adult ticket: S6, student ticket: $13

D) adult ticket: $7. student ticket: S9

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96