| Percentage | Formula | Result |
| 40% of 21 | 40 / 100 x 21 | 8.4 |
| 40% of 21 | 40 x .01 x 21 | 8.4 |
| Percentage | Number |
| 40% of 21.01 | 8.404 |
| 40% of 21.02 | 8.408 |
| 40% of 21.03 | 8.412 |
| 40% of 21.04 | 8.416 |
| 40% of 21.05 | 8.42 |
| 40% of 21.06 | 8.424 |
| 40% of 21.07 | 8.428 |
| 40% of 21.08 | 8.432 |
| 40% of 21.09 | 8.436 |
| 40% of 21.1 | 8.44 |
| 40% of 21.11 | 8.444 |
| 40% of 21.12 | 8.448 |
| 40% of 21.13 | 8.452 |
| 40% of 21.14 | 8.456 |
| 40% of 21.15 | 8.46 |
| 40% of 21.16 | 8.464 |
| 40% of 21.17 | 8.468 |
| 40% of 21.18 | 8.472 |
| 40% of 21.19 | 8.476 |
| 40% of 21.2 | 8.48 |
| 40% of 21.21 | 8.484 |
| 40% of 21.22 | 8.488 |
| 40% of 21.23 | 8.492 |
| 40% of 21.24 | 8.496 |
| 40% of 21.25 | 8.5 |
| 40% of 21.26 | 8.504 |
| 40% of 21.27 | 8.508 |
| 40% of 21.28 | 8.512 |
| 40% of 21.29 | 8.516 |
| 40% of 21.3 | 8.52 |
| 40% of 21.31 | 8.524 |
| 40% of 21.32 | 8.528 |
| 40% of 21.33 | 8.532 |
| 40% of 21.34 | 8.536 |
| 40% of 21.35 | 8.54 |
| 40% of 21.36 | 8.544 |
| 40% of 21.37 | 8.548 |
| 40% of 21.38 | 8.552 |
| 40% of 21.39 | 8.556 |
| 40% of 21.4 | 8.56 |
| 40% of 21.41 | 8.564 |
| 40% of 21.42 | 8.568 |
| 40% of 21.43 | 8.572 |
| 40% of 21.44 | 8.576 |
| 40% of 21.45 | 8.58 |
| 40% of 21.46 | 8.584 |
| 40% of 21.47 | 8.588 |
| 40% of 21.48 | 8.592 |
| 40% of 21.49 | 8.596 |
| 40% of 21.5 | 8.6 |
| Percentage | Number |
| 40% of 21.51 | 8.604 |
| 40% of 21.52 | 8.608 |
| 40% of 21.53 | 8.612 |
| 40% of 21.54 | 8.616 |
| 40% of 21.55 | 8.62 |
| 40% of 21.56 | 8.624 |
| 40% of 21.57 | 8.628 |
| 40% of 21.58 | 8.632 |
| 40% of 21.59 | 8.636 |
| 40% of 21.6 | 8.64 |
| 40% of 21.61 | 8.644 |
| 40% of 21.62 | 8.648 |
| 40% of 21.63 | 8.652 |
| 40% of 21.64 | 8.656 |
| 40% of 21.65 | 8.66 |
| 40% of 21.66 | 8.664 |
| 40% of 21.67 | 8.668 |
| 40% of 21.68 | 8.672 |
| 40% of 21.69 | 8.676 |
| 40% of 21.7 | 8.68 |
| 40% of 21.71 | 8.684 |
| 40% of 21.72 | 8.688 |
| 40% of 21.73 | 8.692 |
| 40% of 21.74 | 8.696 |
| 40% of 21.75 | 8.7 |
| 40% of 21.76 | 8.704 |
| 40% of 21.77 | 8.708 |
| 40% of 21.78 | 8.712 |
| 40% of 21.79 | 8.716 |
| 40% of 21.8 | 8.72 |
| 40% of 21.81 | 8.724 |
| 40% of 21.82 | 8.728 |
| 40% of 21.83 | 8.732 |
| 40% of 21.84 | 8.736 |
| 40% of 21.85 | 8.74 |
| 40% of 21.86 | 8.744 |
| 40% of 21.87 | 8.748 |
| 40% of 21.88 | 8.752 |
| 40% of 21.89 | 8.756 |
| 40% of 21.9 | 8.76 |
| 40% of 21.91 | 8.764 |
| 40% of 21.92 | 8.768 |
| 40% of 21.93 | 8.772 |
| 40% of 21.94 | 8.776 |
| 40% of 21.95 | 8.78 |
| 40% of 21.96 | 8.784 |
| 40% of 21.97 | 8.788 |
| 40% of 21.98 | 8.792 |
| 40% of 21.99 | 8.796 |
| 40% of 22 | 8.8 |
| Percentage | Number |
| 40.01% of 21 | 8.402 |
| 40.02% of 21 | 8.404 |
| 40.03% of 21 | 8.406 |
| 40.04% of 21 | 8.408 |
| 40.05% of 21 | 8.411 |
| 40.06% of 21 | 8.413 |
| 40.07% of 21 | 8.415 |
| 40.08% of 21 | 8.417 |
| 40.09% of 21 | 8.419 |
| 40.1% of 21 | 8.421 |
| 40.11% of 21 | 8.423 |
| 40.12% of 21 | 8.425 |
| 40.13% of 21 | 8.427 |
| 40.14% of 21 | 8.429 |
| 40.15% of 21 | 8.432 |
| 40.16% of 21 | 8.434 |
| 40.17% of 21 | 8.436 |
| 40.18% of 21 | 8.438 |
| 40.19% of 21 | 8.44 |
| 40.2% of 21 | 8.442 |
| 40.21% of 21 | 8.444 |
| 40.22% of 21 | 8.446 |
| 40.23% of 21 | 8.448 |
| 40.24% of 21 | 8.45 |
| 40.25% of 21 | 8.452 |
| 40.26% of 21 | 8.455 |
| 40.27% of 21 | 8.457 |
| 40.28% of 21 | 8.459 |
| 40.29% of 21 | 8.461 |
| 40.3% of 21 | 8.463 |
| 40.31% of 21 | 8.465 |
| 40.32% of 21 | 8.467 |
| 40.33% of 21 | 8.469 |
| 40.34% of 21 | 8.471 |
| 40.35% of 21 | 8.473 |
| 40.36% of 21 | 8.476 |
| 40.37% of 21 | 8.478 |
| 40.38% of 21 | 8.48 |
| 40.39% of 21 | 8.482 |
| 40.4% of 21 | 8.484 |
| 40.41% of 21 | 8.486 |
| 40.42% of 21 | 8.488 |
| 40.43% of 21 | 8.49 |
| 40.44% of 21 | 8.492 |
| 40.45% of 21 | 8.494 |
| 40.46% of 21 | 8.497 |
| 40.47% of 21 | 8.499 |
| 40.48% of 21 | 8.501 |
| 40.49% of 21 | 8.503 |
| 40.5% of 21 | 8.505 |
| 40.51% of 21 | 8.507 |
| Percentage | Number |
| 40.51% of 21 | 8.507 |
| 40.52% of 21 | 8.509 |
| 40.53% of 21 | 8.511 |
| 40.54% of 21 | 8.513 |
| 40.55% of 21 | 8.516 |
| 40.56% of 21 | 8.518 |
| 40.57% of 21 | 8.52 |
| 40.58% of 21 | 8.522 |
| 40.59% of 21 | 8.524 |
| 40.6% of 21 | 8.526 |
| 40.61% of 21 | 8.528 |
| 40.62% of 21 | 8.53 |
| 40.63% of 21 | 8.532 |
| 40.64% of 21 | 8.534 |
| 40.65% of 21 | 8.537 |
| 40.66% of 21 | 8.539 |
| 40.67% of 21 | 8.541 |
| 40.68% of 21 | 8.543 |
| 40.69% of 21 | 8.545 |
| 40.7% of 21 | 8.547 |
| 40.71% of 21 | 8.549 |
| 40.72% of 21 | 8.551 |
| 40.73% of 21 | 8.553 |
| 40.74% of 21 | 8.555 |
| 40.75% of 21 | 8.557 |
| 40.76% of 21 | 8.56 |
| 40.77% of 21 | 8.562 |
| 40.78% of 21 | 8.564 |
| 40.79% of 21 | 8.566 |
| 40.8% of 21 | 8.568 |
| 40.81% of 21 | 8.57 |
| 40.82% of 21 | 8.572 |
| 40.83% of 21 | 8.574 |
| 40.84% of 21 | 8.576 |
| 40.85% of 21 | 8.578 |
| 40.86% of 21 | 8.581 |
| 40.87% of 21 | 8.583 |
| 40.88% of 21 | 8.585 |
| 40.89% of 21 | 8.587 |
| 40.9% of 21 | 8.589 |
| 40.91% of 21 | 8.591 |
| 40.92% of 21 | 8.593 |
| 40.93% of 21 | 8.595 |
| 40.94% of 21 | 8.597 |
| 40.95% of 21 | 8.599 |
| 40.96% of 21 | 8.602 |
| 40.97% of 21 | 8.604 |
| 40.98% of 21 | 8.606 |
| 40.99% of 21 | 8.608 |
| 41% of 21 | 8.61 |
| 41.01% of 21 | 8.612 |