Your answer is n=2. thank me if this helped you. :)
D=t/3
12=t/3
×3 ×3
___________
36=t
So the answer is D.) 36 kilometers
Answer:
f your number is x, then the difference between that number and 8 would be x-8. Twice that is 2(x-8)
Three times the sum of the number and 3 would be 3(x+3). So, you get the equation:
2(x-8)=3(x+3)
2x-16=3x+9
x=-25
