It would help if there was a diagram
I believe the answer to this is "If they babysit for 5 hours, Jayna will earn more" because Hannah charages 7$ an hour and Jayna charges 10$ an hour so Jayna will have more money than Hannah in five hours.
Yes they will have enough
The total cost of the items was $298.20
We find this by taking the cost of 1 thing like the curtains, then we see how many were brought, which was 3. So we do the cost which is $24.50 and multiply that by 3 to get $73.50. And we keep doing this with the other items and add them up.
For number 4 change 3/4 to 6/8 and just add them. It will turn out to be 31/8