Associative property of multiplication because it changes the groupings/parentheses
First,divide 28 divided by 8 which is 3.5
then,multiply your answer (3.5) times the 11 books.
so 3.5 times 11 which equals 38.5
Step-by-step explanation:
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Replace x with 3 in the equation to get:
7^2/ 3^2 -2
7^2 changes to 49 and 3^2 changes to 9:
49/9-2
Simplify 9-2 to 7:
49/7
Divide 49 by 7:
7