Answer: r=6.5
Step-by-step explanation:
-2r = -13
r = 13/2
r = 6.5
If y=12 and x=6 and we substitute this numbers to the equation. 12=6+6 is true and 2 (6)=12 is also true so B is the answer.
Answer: 14 days
Step-by-step explanation:
352/24= 14.66666667
So it can feed her dog for 14 full days
The ratio of areas is the square of the scale factor, so that factor is
√(320/180) = 4/3
