. 3x 5 - 2x-14х х+2 К-4 х 2х8
1 answer:
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well, clearly the tax is the added 42 bucks, so hmmm if we take 600 to be the 100%, how much is 42 off of it in percentage?
₇P₅ is a permutation. you can find this setting in the statistics menu of your scientific calculator (i think).
If you don't have a scientific calculator, you can use the following formula:
nPr =
₇P₅ =
=
=
= 7 * 6 * 5 * 4 * 3
= 2520
Answer: C