Answer:1/2 of a cup.
Step-by-step explanation:
Answer:
t=1/30 h = 2 min
d = vt
system of equations:
d = 13t
d - 2/5 = t -> d = t+2/5
Solve
13t = t +2/5
t = 1/30 h = 60 min / 30 = 2 min