A school is planning a field trip to a theme park. A ticket to the park costs $21. For a group of 50 or more, there is a 16 % discount. The school saved $756 with the discount. How many tickets did the school buy?

230kilometer what is the speed in miles per hour

At the start of the month Stephens saving account had a balance of 1624. He made a $420 withdrawal each week for four weeks. During that month he also made two deposits of $600 each and one deposit of $1000.

The rental car holds 22 gallons of gas and gets 20 miles per gallon. The trip to Ellis City is 1760 miles. How many times will the car need to be filled up to make the trip?

The difference of two number is 15. The larger number is 1 more than 3 times the smaller number. Find the two numbers.

Dy/dx=2x / (y+1) find the general solution

Is 10 a solution of 2y+7 (y-3) = 60

Stephanie has pennies, nickels, dimes, and quarters in her piggy bank. The total value of the coins is 0.01 (n + 10) + 0.05n + 0.1 (n - 10) + 0.25 (n - 5), where n is the number of nickels. What must 0.1 (n - 10) represent? A.

Suppose y = f (x) + k. What effect does k have on the parent function?

Which of the following has a value of 84? a. 83 b. 512 c. 32 d. 4,096

Joey can type 80 words per minute. How many words can he type in 30 minutes?