Of 5 out of 12 (5/12) are sports games and 3 out of 12 (3/12) are educational, then you would add these together because you need a total for both because it would include one or the other, so both.
5/12 + 3/12= 8/12 or 2/3 are one or the other.
Answer:

Step-by-step explanation:
You need to add the amount Shawna & Ryan ate together, then subtract it from 1 to find the amount of pizza that was left for Dominic to eat.
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Make all the denominators the same to add fractions.
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Because it shows how Alabamians lived in 19th to the mid 20th century, and buildings that were safe from destruction.
This is the<u> distributive property of multiplication</u> but tricky
the distributiver property says
a(b+c)=ab+ac
7=5+2
6(5+2)=(6 times 5)+(6 times 2)
109.8
you take 240 and subtract that from 2/5.Then you subtract 20 and that gives you 219.6.Since they have the same amount of marbles left,you have to divide 219.6 by 2 and your answer is 109.8
(I just used a calculator)