Question

Please help me solve!

Answer 1

How would I put data in the chart?

Answer 2

For Isabella, it takes 7 hours.
You can write 7 hours in her time.

Answer 3

Ok

Answer 4

The brother works 3 times as fast.
What does that tell you about how much time it takes him?

Answer 5

2.3 hours?

Answer 6

ok makes sense

Answer 7

Use a fraction to have an exact number.
It's 2.33333..., so it's easier to just write 7/3
2.3 is only an approximation.

Answer 8

The rate is how much of the job each one does in 1 hour.
Isabella does 1 job per 7 hours.
How much of the job does she do in 1 hour?