# A computer operator can type 5,555 words in an hour. How many words will he type in 8 hours?

Last updated date: 23rd Mar 2023

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Answer

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Hint: We can use the unitary method to solve this type of problem. The unitary method can be explained as - first finding the single unit’s value and then multiplying it with the desired number to get the final value.

Complete step-by-step answer:

Before proceeding with the question, we must know how to use the unitary method.

Suppose that the cost of y bananas is Rs. x. If we are asked to find how many bananas can be bought for Rs. z, then we must find out the number of bananas that can be bought for Rs. 1 first. So, we get the number of bananas that can be bought for Rs.1 as $\dfrac{y}{x}$. Now, to find the number of bananas that can be bought for Rs. z, we just have to multiply the number of bananas bought for Rs. 1. Therefore, the number of bananas that can be bought for Rs. z is $\dfrac{y}{x}\times z$.

In this question, we have been given that a computer operator can type 5,555 words in an hour. We have to find out the number of words he will type in 8 hours.

Number of words typed by the computer operator in one hour is 5,555.

The number of words typed by the computer operator in a given hour can be found by multiplying the number of words typed by the operator in one hour with the number of hours given. As we know the number of words typed by the computer operator in one hour, we can find the number of words typed in 8 hours as below.

Number of words typed by the computer operator in 8 hours \[=5,555\times 8\].

After multiplying \[5,555\times 8\], we get 44,440.

Hence, the number of words typed by the computer operator in 8 hours is 44,440.

Note: It is necessary to find the number of words in one hour and then multiply the number of hours with the number of words in one hour. Then only we will be able to get the final answer to the question. This is a direct question, so one must be careful while multiplying and writing the final answer.

Complete step-by-step answer:

Before proceeding with the question, we must know how to use the unitary method.

Suppose that the cost of y bananas is Rs. x. If we are asked to find how many bananas can be bought for Rs. z, then we must find out the number of bananas that can be bought for Rs. 1 first. So, we get the number of bananas that can be bought for Rs.1 as $\dfrac{y}{x}$. Now, to find the number of bananas that can be bought for Rs. z, we just have to multiply the number of bananas bought for Rs. 1. Therefore, the number of bananas that can be bought for Rs. z is $\dfrac{y}{x}\times z$.

In this question, we have been given that a computer operator can type 5,555 words in an hour. We have to find out the number of words he will type in 8 hours.

Number of words typed by the computer operator in one hour is 5,555.

The number of words typed by the computer operator in a given hour can be found by multiplying the number of words typed by the operator in one hour with the number of hours given. As we know the number of words typed by the computer operator in one hour, we can find the number of words typed in 8 hours as below.

Number of words typed by the computer operator in 8 hours \[=5,555\times 8\].

After multiplying \[5,555\times 8\], we get 44,440.

Hence, the number of words typed by the computer operator in 8 hours is 44,440.

Note: It is necessary to find the number of words in one hour and then multiply the number of hours with the number of words in one hour. Then only we will be able to get the final answer to the question. This is a direct question, so one must be careful while multiplying and writing the final answer.

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