N anonymous survey of college students was taken to determine behaviors regarding alcohol, cigarettes, and illegal drugs. The results were as follows: 865 drank alcohol regularly, 667 smoked cigarettes, 205 used illegal drugs, 420 drank alcohol regularly and smoked cigarettes, 113 drank alcohol regularly and used illegal drugs, 117 smoked cigarettes and used illegal drugs, 95 engaged in all three behaviors, and 318 engaged in none of these behaviors.

a) How many students were surveyed?

nothing

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step-by-step explanation:

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what is

step-by-step explanation:

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076

did u ever get the answers? i need