Answer:
Step-by-step explanation:
Answer:-17/40
You are adding positive 3/8 to negative 4/5. The first step is the find a common denominator, so you would end up with -32/40+15/40. To solve, you could do 32-15=17. You would have negative 17/40. It cannot be simplified.
1 hour would be 10 $ each
1)$10
2)$50
3)$80
I hope this helps
