WHAT IS THE PERCENTAGE DECREASE IN TURNOVER PER DAY IN THE PRIMARY SCHOOL IF EVERY PUPIL THAT CHOSE SPRITE BEFORE ARE NOW CHOSING WATER INSTEAD

**Drink**

**Price**

**Primary School**

**Secondary School**

Juice

£1.50

21

45

Water

£0.80

12

115

Coca-cola

£1.20

33

51

Sprite

£1.20

45

45

Milk

£1.40

9

12

Chocolate Milk

£1.90

30

32

To calculate the **percentage decrease in turnover per day** in the primary school, we need to compare the revenue generated by Sprite before the switch and the revenue generated by water after all pupils switch from Sprite to water.

Here’s the step-by-step breakdown:

1. **Calculate the turnover from Sprite** (before the switch):
   - Price of Sprite = £1.20
   - Number of primary school pupils who chose Sprite = 45
   \[
   \text{Sprite Turnover} = 1.20 \times 45 = £54
   \]

2. **Calculate the turnover from water** (after the switch):
   - Price of water = £0.80
   - Now, the 45 pupils who used to buy Sprite are choosing water, in addition to the original 12 pupils who were already choosing water.
   \[
   \text{New Water Turnover} = 0.80 \times (12 + 45) = 0.80 \times 57 = £45.60
   \]

3. **Turnover loss due to the switch**:
   - Loss in turnover = Sprite turnover - New water turnover
   \[
   \text{Loss} = 54 - 45.60 = £8.40
   \]

4. **Percentage decrease in turnover**:
   To find the percentage decrease in turnover, we compare the loss with the original turnover from Sprite.
   \[
   \text{Percentage Decrease} = \left( \frac{8.40}{54} \right) \times 100 \approx 15.56\%
   \]

### Answer:
The **percentage decrease in turnover per day** in the primary school is approximately **15.56%**.

Would you like more details on any step or have further questions?

Here are 5 related questions to think about:
1. How would the turnover change if some students chose juice instead of water?
2. What is the overall percentage turnover from all drinks combined for the primary school?
3. What if half the Sprite drinkers switched to water and the other half to juice?
4. How does the price difference between Sprite and water affect overall profit margins?
5. How much total revenue would the primary school lose in a month due to the switch?

**Tip:** When calculating percentage decreases, always compare the difference to the original value.

WHAT IS THE PERCENTAGE DECREASE IN TURNOVER PER DAY IN THE PRIMARY SCHOOL IF EVERY PUPIL THAT CHOSE SPRITE BEFORE ARE NOW CHOSING WATER INSTEAD

Learn how to calculate the percentage decrease in turnover per day when pupils in a primary school switch from Sprite to water. This problem involves turnover calculations and understanding percentage decrease using basic arithmetic operations, suitable for Grades 6-8 students.

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