180 because you multiply the 12 packs by 10 to get 120. Then you subtract 120 from 300
Answer:
the answer is 10
Step-by-step explanation:
Answer:
The property that was used in step 1 was the distributive property.
The property that was used in step 2 was the subtraction property of equality.
The property that was used in step 3 was the division property of equality.
Step-by-step explanation: