Yesterday, Martina went on a bike ride. Her average speed

Last updated: 7/29/2022

Yesterday, Martina went on a bike ride. Her average speed was 10 miles per hour. Today, she went on another ride, this time averaging 12 miles per hour. In the two days, she biked for a combined total time of 10 hours. Let x be the number of hours she biked yesterday. Write an expression for the combined total number of miles she biked in the two days.