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jeka57 [31]
3 years ago
6

Sales tax on an item is a percent Percent Increase Percent decrease

Mathematics
1 answer:
Jet001 [13]3 years ago
8 0
I’m pretty sure it’s a percent increase.
Sorry if I’m wrong.
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Sindrei [870]

Answer:

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Step-by-step explanation:

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3 years ago
On his outward journey, Ali travelled at a speed of s km/h for 2.5 hours. On his return journey, he increased his speed by 4 km/
den301095 [7]

Answer:

3.08 km/h.

Step-by-step explanation:

We know that,

Speed=\dfrac{Distance}{Time}

Ali traveled at a speed of s km/h for 2.5 hours.

Let d be the distance and t be the time.

2.5=\dfrac{d}{t}

2.5t=d      ...(1)

On his return journey, he increased his speed by 4 km/h and saved 15 minutes. So, distance is d and times is t-15.

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Now,

Total distance = d + d = 100 + 100 = 200

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So, the average speed is

\text{Average speed}=\dfrac{\text{Total distance}}{\text{Total time}}

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<span>Its: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23 </span>
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Answer:

Step-by-step explanation:

2/3, 7/10, 11/15, 4/5

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3 years ago
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