The answer is B:40cm because if you times 5x4 then times 2 you get 40cm
Answer:

is equivalent to
.
This is because 
The rule is, in order to add fractions, your denominators must be equivalent. In other words, you must have the same denominator for both fractions.
<em>Now what do we do? We add!</em>

This is because 4 + 1 = 5.
Your answer is
.
I hope this helps!
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Answer:
-8 x 4
Step-by-step explanation:
Multiplication is really just repeated addition. In multiplication, the 2 terms are the number being added and the number of times it is added. In this case, the number being added is -8 and it is being added 4 times. Therefore, the multiplication expression must be -8 x 4.
The answer will be 3 yards