Respuesta :
The time it will take to install carpeting in a room that measures 11 feet 9 inches by 13 feet 4 inches is 5 hours 13 minutes.
Fine Floors can install 15 square yards of carpeting in 4 hours and 30 minutes.
Rate use to install:
Rate measures the ratio between two quantities of different unit. Therefore, the rate is as follows:
- 15 / 4.5 = 3.33 yards square per hour
At this rate, it will take the following time to install 11 feet 9 inches by 13 feet 4 inches.
Let covert inches to feet and then to yards.
11 ft 9 inches = 11.75 ft = 3.9166667 yards
13 ft 4 inches = 13.333333 ft = 4.444433333 yards
Let's find the area.
area = 3.9166667 × 4.444433333 = 17.4073640357 yard²
15 yards² = 4.5 hours
17.4073640357 yards² = ?
cross multiply
time(hours) = 17.4073640357 × 4.5 / 15
time(hours) = 78.3331381608 / 15
time(hours) = 5.22220921072 hours
time = 5 hours 13 minutes
learn more on rate here:https://brainly.com/question/13504497?referrer=searchResults