We had total 550 
We spent 315 
Total 14 people are there, in that 11 have contributed 50 each how many they will get in return and
How much remaiming 3 people who didn't pay have to pay

Let's break this down step by step:

### 1. Total amount available:
You started with **550** units of currency.

### 2. Amount spent:
You spent **315** units, so the remaining amount is:

\[
550 - 315 = 235 \text{ units}
\]

### 3. Contributions:
There are 14 people in total, and 11 of them contributed **50** units each. Therefore, the total contribution from those 11 people is:

\[
11 \times 50 = 550 \text{ units}
\]

### 4. Remaining balance to be refunded to contributors:
Since only 315 units were spent, the remaining amount to be refunded to contributors is **235 units**.

### 5. Refund per person who contributed:
Since the total refund amount is **235 units** and only the 11 people contributed, we divide the refund amount among the contributors:

\[
\frac{235}{11} = 21.36 \text{ units per person (approx)}
\]

Each of the 11 contributors will get approximately **21.36 units** back.

### 6. Amount remaining 3 people need to pay:
Out of the total 315 units spent, the 11 contributors have already contributed **550 units**, but they should have only contributed for their part of the expenses, which is:

\[
11 \times \frac{315}{14} = 247.5 \text{ units total for 11 people}
\]

Since they already paid **550 units**, the remaining **67.5 units** need to be covered by the 3 people who did not pay. Therefore, the amount each of the remaining 3 people must pay is:

\[
\frac{67.5}{3} = 22.5 \text{ units per person}
\]

### Final Answer:
1. **Each of the 11 people who contributed will get approximately 21.36 units refunded.**
2. **Each of the 3 people who didn’t contribute will need to pay 22.5 units.**

Would you like to see more details or ask any further questions?

Here are 5 related questions:
1. What if the spending amount was different, how would the calculations change?
2. How would the situation change if more people contributed varying amounts?
3. Can this be generalized to larger groups with partial contributors?
4. What if everyone should share the expense equally regardless of contribution?
5. How does this apply to calculating group expenses for future events?

**Tip:** For group expenses, it's helpful to first figure out the total amount each person should pay before calculating refunds or additional payments.

We had total 550. We spent 315. Total 14 people are there, in that 11 have contributed 50 each. How many they will get in return and how much the remaining 3 people who didn't pay have to pay?

This problem explores group expense calculations involving 14 people, where 11 have contributed 50 each. Learn how to calculate refunds for contributors and the amount remaining 3 people need to pay, using basic arithmetic and proportions. Ideal for students in Grades 6-8.

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