Mike and Chris mowed lawns to earn money to go on a trip at the end of the month. Mike earned $20 for each lawn he mowed in his neighborhood. Chris earned $15 for each lawn he mowed in his neighborhood. Mike and Chris mowed the same number of lawns by the end of the month. Ms. Anderson also gave the boys an extra $50 bonus to help them with their trip. (c)Write two equivalent expressions that could be used to determine the total amount of money the boys earned by the end of the month. (d)What does the variable represent in each expression? (e)Mike and Chris mowed 10 lawns each by the end of the month. They need $500 for their trip. Do they have enough money for their trip? Show or explain your work

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