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<h3>Given:</h3>
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The
states that an expression that is given in the form of
can be solved as
. So:
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
▪ 
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Answer:
600
Step-by-step explanation:
240 divided by 2 = 120
120 x 5 = 600
Answer:
its 4
Step-by-step explanation:
a 1 = 3 , a n = a n - 1 + 2
because if you aply this to the shapes that you see at problem 21 you will see that it meaches them