In one particular suburb, 20% of families own a terrier. If there are a total of 30 families in this neighborhood that own a dog in general, then how many dog owners own a terrier? Round your answer to the nearest whole number if necessary. Explain your answer.

The answer is 6.

Step-by-step explanation:

First, you must take the number of families in the area (30). Then you multiply by 0.2 (20%). When you do this, you get 6.

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dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3