Question

During the first month, the company received 4,264 phone calls. during the second month, the company received 25% more phone calls than in the first month. during the third month, the company received 6,396 phone calls. What was the percent increase in the number of phone calls from the second month to the third month?

Answer 1

20%

Explanation:

We have been given that during the the first month, the company received 4,264 phone calls. During the second month, the company received 25% more phone calls than in the first month.

Let us find number of calls received during 2nd month by multiplying 4,264 by 1.25 as
`1+25\%=1+(25)/(100)=1.25`.

`\text{Number of calls in 2nd month}=4264(1.25)`

`\text{Number of calls in 2nd month}=5330`

Now, we will use percent increase formula as shown below:

`\text{Percent increase}=\frac{\text{Final value}-\text{Initial value}}{\text{Initial value}}* 100\%`

`\text{Percent increase}=(6396-5330)/(5330)* 100\%`

`\text{Percent increase}=(1066)/(5330)* 100\%`

`\text{Percent increase}=0.2* 100\%`

`\text{Percent increase}=20\%`

Therefore, there was a 20% increase in the number of phone calls from the second month to the third month.