Answer:

Step-by-step explanation:
Before you add 2 fractions, the denominator needs to be the same. If they are the same, which they are, then add the 2 numerators.
1 plus 2 equals 3.
So the answer is 3 over 5.
The option A is the right answer
Answer:
10¢
Step-by-step explanation:
Step 1: Subtract 40 from 50

Then, Aaron will get 10 cents back
P= a+b+c is the way to find the perimeter of a triangle
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