please help with 2 questions! will give medal and become fan!

Question

anonymous · Answer

Heather leaves on a long trip driving at a steady rate of 40 miles per hour. her sister Megan leaves from the same location traveling to the same destination 3 hours later. she drives at a steady rate of 50 miles per hour. how long after Megan leaves home will she catch up to heather?

    the equation i = 0.3937c gives the relationship between i inches and centimeters. express 16 centimeters in inches. round your answer to the nearest thous

amistre64 · Answer

the second on is just grade school multiplication

the first one is just a chase ....

amistre64 · Answer

spose heather just stops after 3 hours.  the distance covered is 40*3

megan is driving at a relative speed of 50-40 and needs to cover that distance.