algebra 1

Mrs. Hernandez owns a computer training business. She charges a lab fee plus an hourly fee to train office workers on various software programs. It costs \$265.00 to attend a 6-hour course and \$345.00 for an 8-hour course. Which equation relates x, the number of hours in the course, and y, the cost?

1. 👍 1
2. 👎 0
3. 👁 647
1. y=ax+b

8a+b = 345
6a+b = 265
2a = 80
a=40
b=25

y = 40x+25

1. 👍 1
2. 👎 0

Similar Questions

1. Algebra 2 A

A jet ski company charges a flat fee of \$26.00 plus \$3.25 per hour to rent a jet ski. Another company charges a fee of \$24.00 plus \$3.50 per hour to rent the same jet ski. Using a graphing calculator, find the number of hours for

2. Mathematics

A computer shop charges P15.00 in every hour of computer rental.represent your computer rental fee (R) using the function R (t) where t is the number of hours you spent on the computer

3. Math (just need some help)

A jet ski company charges a flat fee of \$24.00 plus \$2.25 per hour to rent a jet ski. Another company charges a fee of \$23.00 plus \$2.50 per hour to rent the same jet ski. Using a graphing calculator, find the number of hours for

4. college algebra

Deshaun is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A has no initial fee but charges .70 cents for every mile driven. Company B charges an initial

1. math

one company charges \$6.95 per shirt plus a setup fee of \$43. Another company charges \$8.40 per shirt plus a \$58 set up fee. for what number of shirts would the total be the same?

2. algebra

How do I solve this problem? What is the formula? Maria is renting kayaks from a local shop that charges a \$10 fee, plus an hourly rate of \$7.50. For how long can Maria rent the kayak if she pays a total of \$70?

3. algebra

A video store charges a monthly fee of 7.50, but the charge to rent each movie is only 1.00 per movie. Another store has no membership fee, but it costs 2.50 to rent each movie. How many movies need to be rented each month for the

4. Algebra 2

Juan is comparing the cell phone plans shown in the advertisement. Plan A charges a \$15 monthly fee plus \$0.40 per min. Plan B charges a \$30 monthly fee plus \$0.25 per min. For what number of minutes of use do the plans cost the

1. math

1. Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged \$123.00 for 3 days and 300 miles, while Mary was charged \$216.00 for 5 days and 600 miles. What does Best Rental charge per day, for

2. Math

Veronica has a current checking account balance of \$469. In the next month she deposits \$120, pays her annual online banking fee of \$25, and makes withdrawals of \$200 and \$160 from an ATM that charges a \$2 fee per transaction.