Answer:
-x
Step-by-step explanation:
Answer: The Distributive Property
Aiko didn't seem to realize that rewriting it like that would cause the expression to have a different solution. She should study her math.
Answer:
To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.
They can fit 24 tiles because
6 rows times 4 tiles =24 tiles
6x 4 =24
Find how much it will cost.
24 x 5 = 120
It will cost $120