To do this, multiply each of the four elements in matrix D by -1/2 or -0.5:
| 9 8 |
| -7 -4 |
8- hundreds
9-tens
0-ones
Answer:
Emma types at a rate of 45 words per minute.
Step-by-step explanation:
I know this because if you divide 90/2 you can get 45 because as you see on the graph, every two minutes is 90 words, so just divide 90/2.