Can someone help me please ?this worth 100 points !

Find percent notation for 0.008 0.008=

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?