Mr. and Mrs. Ortega want to take a one-week vacation to Florida. They determine that the trip will cost $4,350. They can save 10% of their monthly budget to pay for this trip. Their current monthly budget is $4,560.
a. How much money can the Ortegas save per month for the trip?

b. How many months will they have to save to pay for their vacation?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.