Question

The mean daily profit made by a shopkeeper in a month of 30 days was rs. 350. if the mean profit for the first fifteen days was rs. 275, then the mean profit for the last 15 days would be

Answer 1

$\textbf {Hey there, here is the solution.}$

.............................................................................................

Find the total profit made in the 30 days:

Mean daily profit for 30 days = Ra 350

Total profit for the 30 days = 350 x 30 = Rs 10,500

.

Find the total profit made in the first 15 days:

Mean daily profit for the first 15 days = Ra 275

Total profit for the first 15 days = 275 x 15 = Rs 4125

.

Find the total profit for the last 15 days:

10,500 - 4125 = Rs 6375

.

Find the mean profit for the last 15 days:

Mean profit = 6375 ÷ 15 = Rs 425

.

.............................................................................................

Answer: The mean profit for the last 15 days is Rs 425

.............................................................................................

⭐$\textbf {Cheers}$⭐

Answer 2

Answer:

425

Step-by-step explanation:

Average would be : 350 = (275 + x)/2

On solving, x = 425.