Answer:
0.2
Step-by-step explanation:
20/100=0.2
Hello,
x= the number
3x= three times the number
seven decreased by three times a number is forty, then:
7-3x=40
-3x=33
x=-11
Answer: the number is -11
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➷ Substitute in the values:
6(2) + 3(2)(4)
Now just solve:
12 + 24 = 36
The answer is 36
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Answer:
27
Step-by-step explanation:
104-77=27
Answer: a) 138.32 and b) 35 years approx.
Step-by-step explanation:
Since we have given that

So, Profit is given by

Difference in years of 1990 and 2020=30
So, Profit becomes :

(b) How long before the profit found in part (a) is predicted to double? (Round your answer to the nearest whole number.) years after 1990.
So, profit doubles , we get :

Hence, a) 138.32 and b) 35 years approx.