Answer:

Step-by-step explanation:
we know that
Landon finished 1/2 of the test in 3/5 of an hour
so
by proportion
Find out how much of the test will he have done in one hour

Length times width times height gives you the volume of things
All you do is subtract what John is spending from the amount he has. 20.43-15.39= $5.04
12 because db/ad = 3 and ab = 8
thus de+(de/3) is the answer
12 <- answer
Answer:
Omg its totally 726263893276273