three timesa week, tina walks 3/10 mile from school to the library, studies for 1 hour, and then walks 4/10 mile home how much more will she need to walk to win a prize

Question

three timesa week, tina walks 3 tenths of a mile from school to the library, studies for 1 hour, and then walks 4 tenths of a mile home how much more will she need to walk to win a prize

Answer 1

She walks 2.1 miles per week.

3(4/10+3/10) = 3(7/10) = 21/10 = 2.1 miles