aarushi is helping his father plant trees to create a border around the backyard.aarushiplants a tree every 25 minutes and her father plants a tree every 15 minutes.if they started together ,how long will it be before they would finish planting a tree at the same time.
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75 minutes from the starting point of time. Aarushi has plated 3 trees by then and his father has planted 5. Answer is obtained by taking the LCM of 15 and 25 .
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Answer:
75th minute
Step-by-step explanation:
LCM of 25 and 15 is 75.
So, at 75th minute they would finish planting a tree at the same time.
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