medium · Act science
A study on car fuel efficiency (mpg) collected data at different speeds. The results are in the table: Speed (mph) | Efficiency (mpg) 30 | 28 45 | 34 60 | 31 75 | 24 What is the most likely efficiency for a car traveling at 50mph, and what logic supports this prediction?
- Exactly 35mpg, because efficiency increases with speed according to the first two data points.
- Approximately 33mpg, using interpolation between the 45mph and 60mph data points.
- Exactly 31mpg, because 50mph is closer to 45mph than it is to the 60mph measurement.
- Less than 24mpg, based on extrapolating the sharp decline seen between 60 and 75mph.
Sign up free to see the explanation and track your rank →
More Act science practice
- A chemist compared the reaction rates of a process with and without a catalyst: Temp (^cir
- What is the relationship?
- Which species has a higher population at Year 5?
- A soil scientist measured the water retention of different soil types: Soil Type | Water R
- A table lists the pressure of a gas at different volumes while temperature is constant: 1.
- A table shows the density of four unknown liquids: Liquid A | 0.85 g/cm³; Liquid B | 1.00
- The table below provides the frequency and wavelength of several waves: Wave | Frequency
- The table below shows the stopping distance of a car at different speeds: Speed (km/h) | S