C. 5 packs of pencils and 3 packs of erasers. it is c because no matter what 20(the pack of erasers) is multiplied by it will always end in a zero, therefore you would have to multiply 12 by a number that would make it a multiple of 20 as well which happens to be 5. 5×12=60 and 3×20=60
Answer:
first blank is 3
second blank is 2.5
last blank is 0.5
Step-by-step explanation:
The answer is permutation. It is <span>the action of changing the arrangement, especially the linear order, of a set of items.
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Parenthesis, exponents, multiplication and division, addition and subtraction
