It costs $25 to enter an amusement park and $0.50 to ride a ride. You have $27.50. Write an equation that represents the number r of rides you can ride.

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11