The answer you are looking for would be:
13
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Answer:
8.48%
Step-by-step explanation:
Given that,
The estimated bill = $480
Actual costing of the bill = $524.50
We need to find the percent error in the bill. It can be calculated as follows :
![\%=\dfrac{524.50-480}{524.50}\times 100\\\\\%=8.48\%](https://tex.z-dn.net/?f=%5C%25%3D%5Cdfrac%7B524.50-480%7D%7B524.50%7D%5Ctimes%20100%5C%5C%5C%5C%5C%25%3D8.48%5C%25)
So, the percentage error in the bill is 8.48%.
The answer is 2. each toy <span />
Answer:
Race completed in 48 minutes.
Step-by-step explanation:
Let the speed of Max on hoverboard is = x
Then as per question speed of Victoria on hoverboard = 3x
Now it has been given in the question that speed of Victoria on foot is 1/3 of the speed of Max on hoverboard that will be = x/3
Now we will form the equation.
As we know the formula speed = distance/time
Let the time taken by both to complete the race be t minutes.
Distance covered by Victoria in 12 minutes + Distance covered by Victoria on foot = distance covered by Max on hoverboard
Then the equation will be
12(3x)+(1/3)x(t-12)=xt
![36x+\frac{xt}{3}-4x=xt](https://tex.z-dn.net/?f=36x%2B%5Cfrac%7Bxt%7D%7B3%7D-4x%3Dxt)
![x(36+\frac{t}{3}-4)=xt](https://tex.z-dn.net/?f=x%2836%2B%5Cfrac%7Bt%7D%7B3%7D-4%29%3Dxt)
![36+\frac{t}{3}-4=t](https://tex.z-dn.net/?f=36%2B%5Cfrac%7Bt%7D%7B3%7D-4%3Dt)
![32=t-\frac{t}{3}](https://tex.z-dn.net/?f=32%3Dt-%5Cfrac%7Bt%7D%7B3%7D)
![\frac{2t}{3}=32](https://tex.z-dn.net/?f=%5Cfrac%7B2t%7D%7B3%7D%3D32)
![t=\frac{(32)3}{2}=48](https://tex.z-dn.net/?f=t%3D%5Cfrac%7B%2832%293%7D%7B2%7D%3D48)
So 48 minutes it took to complete the race.
Answer:
x = 41 and y = 76
Step-by-step explanation: