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Bogdan [553]
3 years ago
9

Mr. Smith drove for 45 minutes at a speed of 40 km/h. He stopped for 15 minutes for a coffee break and then he drove for 2 hours

at a speed of 75 km/h. What was his average speed for the entire journey?
Mathematics
1 answer:
djverab [1.8K]3 years ago
3 0

Answer: The answer is 65 5/11

Step-by-step explanation: The first portion would be 30km. Second portion not counting coffee stop would be 150km. Since the average speed is distance/Time it would be 180/Time. Time =2 3/4. Answer is 65 5/11. I hope this is correct.

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6 0
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On October 1, Gary’s bank balance was $130. During October, he made two
swat32

Answer:

The first withdraw could be $30 the second could be $45 and the deposit could be $40

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8 0
3 years ago
What is the value of k if - 2/3(k - 6) = 3/2(k+6)​
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*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer:  -30/13

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3 0
3 years ago
$180.00 is what precent greater than $135.00
adell [148]
X % ==> $180.00
100% ==> $135.00

So : 180.00*100/135.00 = 133.33 %.

Hope this helps !

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3 years ago
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