Answer:The base of the ladder should be placed so that it is one foot away from the building for every four feet of hight to where the ladder rests against the building. This is known as the 4 to 1 rule.
Step-by-step explanation:
Answer: 30/250 and 45/375 would be two equivalent fractions.
Answer: 135
Step-by-step explanation: All you need to do is 180-45=135.
60 min = 1 hr
30 times 2 = 60 minutes
7.7 times 2 = 15.4 km
15.4 km per hr is the answer
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