A study showed that the ratio of the number of people who get their news from social media to the number of people who get their news elsewhere is 3:7. Based on the ratio, how many people in a town of 900 people get their news from social media?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work