Answer:
Step-by-step explanation:
Step 1:
Write the expression
Step 2: Expand
Step 3: Collect similar terms
Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.
The minimum cost for 20 crates would be 68 dollars. You would buy 18 crates using the 3 for 10 dollars ( this would cost 60 dollars), and then 2 crates using the one crate for 4 dollars (this would cost 8 dollars) all together you would have 20 crates, costing you 68 dollars.
Answer:
3.......
Step-by-step explanation:
3
-3...idk what your asking...but on a number line, 3 places to the left of zero is negative three