Hey there!

The unit rate is 8.30 for every hour.
If he earns $8.30 an hour and works 9 hours, multiply 8.30 by 9.
8.30 x 9 = 74.70
Hope this helps!
Answer: I have no clue what the second one is but the first one is 1.
Step-by-step explanation:
Answer:The chocolate in the box is 3000 grams.
Every Kilogram has 1000 grams
You multiply 1000×3=3000
Answer:
-4-5-6-7-8
Step-by-step explanation:
Answer:
42
Step-by-step explanation:
39+39 = 78
162 - 78 = 2 lengths =84
84/2 = 42