Answer: She combined unlike terms.
Step-by-step explanation:
You can only combine like terms. If a number has a variable, you must make sure that the number you're operating it with has the same variable raised to the same power (if applicable)
6.8w-4.7 is in its simplest form.
To be able to subtract these, 4.7 must have a ''w'' variable as follows;
6.8w-4.7w=2.1w
Answer: 2.37
Step-by-step explanation:
Lol I was looking for help for this question but I couldn't find it so I had to figure it out my self and the answer is 40
Week 1: 50
2: 100
3: 200
4: 400
5: 800
6: 1600
7: 3200
8: 6400
C
For first 3 minutes keep 1.25
Then for rest do 0.15(x-3)
Now add to get total cost
Mark brainliest please