ch12-10. A landscaping company is hired to mow the grass for several large properties. The total area of the properties combined is 1,350 acres. The rate at which one person can mow is as follows: ŷ = 1350 − 1.5x  where x is the number of hours and ŷ represents the number of acres left to mow. How many acres will be left to mow after 110 hours of work? (Enter an exact number as an integer, fraction, or decimal.)  _____ acres

A landscaping company is hired to mow the grass for several large properties. The total area of the properties combined is 1,350 acres. The rate at which one person can mow is as follows: ŷ = 1350 − 1.5x  where x is the number of hours and ŷ represents the number of acres left to mow. How many acres will be left to mow after 36 hours of work? (Enter an exact number as an integer, fraction, or decimal.)

A clock manufacturer's fixed costs per month are $8000. The unit cost for each clock is $15. Find the number of clocks made during a month in which the total cost was $38,000. Use the formula T = UN + F, where T is the total cost, U is the cost per unit, N is the number of units made, and F is the fixed costs.

The time taken by an airplane to travel from New York City to Los Angeles is 30 minutes more than one-sixth of the time taken by a train. Find the time taken by the airplane if the time taken by the train is: