Al used the expression 8 + 25 x 2 - 45 to find how many cds he has. how many cds does he have?

8+25x2-45

25x2=50

8+50-45

8+50=58

58-45=13

Al has 13 cds.

He has 13 cd's

Step-by-step explanation:

To solve this problem we will use hierarchy of operations:

We know that multiplication comes before sum, therefore first we will solve the multiplication first:

25 x 2 = 50

Then, 8 + 25 x 2 - 45, transforms into 8 + 50 - 45.

Now, these operations have the same hierarchy, so we will solve them starting from the left

8 + 50 - 45 = 58 - 45 = 13.

Therefore, Al has 13 cd's  

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