What is the result when the number 10 is increased by 20%?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

What is 140% of 25? because i need

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?