Round numbers up or down to specific multiples.
You are setting prices and want to ensure they are rounded to the nearest $5 for simplicity. Round the original prices up to the nearest $5 in column B using CEILING and down to the nearest $5 in column C using FLOOR to create consistent and appealing price points.
Solve it on your own to keep the bonus. Each hint gets one step closer to the formula.
The same formula in the other shapes it takes at work.
Round numbers up or down to specific multiples.
The multiple can be a fraction: bill time in completed quarter hours.
Round up to the next whole unit, then take a penny off.
You need 130 screws; they come in boxes of 50. What does that cost?
This is the grid you start with. Cell references in the task — B6, C2 — point at the row numbers and column letters below.
| A | B | C | |
|---|---|---|---|
| 1 | Original Price | Ceiling ($5) | Floor ($5) |
| 2 | 23.45 | ||
| 3 | 47.89 | ||
| 4 | 31.12 | ||
| 5 | 56.78 |
CEILING and FLOOR functions are useful for rounding numbers to specific multiples, often used in pricing, scheduling, or resource allocation.