Which pictorial model is equivalent to the expression 4(5+2)?
a. | 5 | 2 |
b. | 4 | 5 | 2 |
| 4 | 5 | 2 |
| 4 | 5 | 2 |
| 4 | 5 | 2 |
c. | 4 | 5 | 2 |
d. | 5 | 2 | 5 | 2 |