Answer:B.
Step-by-step explanation:
Answer:
C
it is C because A, B, and D are triangular prisms.
2nd ones your answer
Answer is A/C
0
20%
a) a train goes 60 mph for 180 miles
50 miles
6/30=.20 = 20%
180 miles divided by 60 mph=3 hours
80%x = 40 miles
.8x=40
.8x/.8=40/.8
x=50 miles