Answer: 56 seconds or less
Step-by-step explanation:
3(46 + 52 + 54)
400 - x
Combine
3(152)
400 - x
Simplify
456
400 - x
Subtract 456 from both sides
0
-56 - x
Add x to both sides
x
56 seconds
Where are the functions?
your question is incomplete?
You would have to add them so you would do 2.25+4.2=6.45 pounds
As I understand from the given above, each box when empty weighs 5-2 kg or 3 kg. To determine the total weight of Michael's boxes when empty, we just have to multiply 3 kg by 5. This gives us an answer of 15 kg. Thus, the total mass of Michael's boxes is 15 kg.