Build a frequency and percentage frequency table
A school cafeteria recorded what each customer bought for lunch
Round each percentage to one decimal place where necessary. A percentage total in this question is the sum of the displayed rounded percentages, which can differ slightly from 100%
| Lunch order | Count | % |
|---|---|---|
| Sandwich | 7 | 35% |
| Pasta | 5 | ? |
| Salad | 8 | 40% |
| Total | ? | 100% |