B) Commutative property of Multiplication
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Answer: 250 m
Step-by-step explanation:
Given
Distance between Ursula and Velda house is 4 km or 4000 m
Ursula walks at the rate of 
Velda walks at the rate of 
Time taken by them to cover 4000 m is

Distance covered by them 15 min before they meet
Ursula 
Velda 
The total length covered by them is 
They are
apart before they meet
Answer:
the answer is c because it's on the x axis is 1 and the y axis is on 4
Answer:
There should be a periodic maintanance for every 1.27months
Step-by-step explanation:
The step by step calculation explaining how frequent the equipment should receive periodic maintenance <em><u>(Which are the activities carried out on equipment based on a stipulated time interval for the purpose of maintaining a smooth operation of a machine or equipment or on other asset.)</u></em> can be seen in the attached image below.