Answer:
the bars of histogram must touch with no space between
This question is really confusing.
Answer:
s7s8s8s8s8s8s
lil
Step-by-step explanation:
ssa9a9a9aoaoaoa8ss8s9
60 blocks in 30 min
18 blocks in 9 min
Method 1
60-18 = 42
42 blocks in 21 min
Method 2
30-9 =21 min
