Can someone please help me find the range
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#1-9. #10-12
the answer to the questions
the answer to the questions
Goblin Birt can take 15 minutes to count the coins in the bag by himself.
<h3>What is unitary mehtod?</h3>The unitary method is a process for solving a problem by first finding the value of a unit, and then finding the necessary value by multiplying the single unit value.
<h3>How to calculate how long would it take goblin Birt to count the coins in the bag by himself ?</h3>- In this problem, unitary method is to be applied three times.
- Here, counting all the coins is considered as the entire work which is considered as 1.
According to the problem,
- Goblin gryh can count the coins in a bag in 10 minutes.
∴ In 10 minutes Goblin gryh can count the coins in the bag.
∴ In 1 minute Goblin gryh can count th part of the coins in the bag.
Again, according to the problem,
- Goblin gryh and Goblin Birt both can count all the coins in 6 minutes.
∴ In 6 minutes, Goblin gryh and Goblin Birt both can count all the coins in the bag
∴ In 1 minute, Goblin gryh and goblin Birt both can count th part of the coins in the bag.
∴ In 1 minute, Goblin Birt can count th part of the coins in the bag.
= th part of the coins.
∴ We can say,
Goblin Birt can count th part of the coins in the bag in 1 minute.
∴ Goblin Birt himself can count all the coins in the bag in 15 minutes.
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