Answer:
13/20 probability
Step-by-step explanation:
it starts out as 65/100 then you simplify to get 13/20
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Answer:
She buys 3 pairs from store a.
So divide the 110.25 by 3.
You will get the amount that she spent for each pair.
Change 40% to a decimal which would be .40 then you multiply the amount she spent on each pair ($36.75) by the .40.
You will get 14.7 so you add $14.70 to the amount she spent on each and you will get The original price of each pair was $51.45.
Step-by-step explanation:
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Plugging directly into the combination formula, the answer is 
where we have cancelled out common factors.
For the first one, you just add them and you obtain an equation in y. Solve for y, then substitute y for the solution in either of the equations, then solve for x.
In the second one, multiply the first by -2, then do the addition and something similar to the first one.
Answer:
(A
Step-by-step explanation:
The model shows 1/2 because half of the rectangle is colored. Think about it. 5/10 is also 1/2 because 5 is half of 10.
So, 1/2 is equivalent to 5/10.
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