Jocab rides his bike to school every day. He travels 1and 1/2 miles in 6 minutes. What is Jacob's average rate of speed?

Jacob rides his bike to school everyday.he travels 1 and 1/2 miles in 6 minutes. What jacob's average rate of speed?

?I have math homework tonight on "rate word problems" I just have one prblem, I don't know how to do these sort of problems! I'm terrible at math and I need help asap! :-[

::) Can someone help me? The problem says...

Marco Polo bought 40 skins for 8 liras:
A) Write the two rates implied by this statement
B)How many ckins could he buy for 200 liras
C)What would be the cost of 200 skins