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victus00 [196]
3 years ago
7

An electric motor pumps water into a pool at a rate of 500 liters per hour. After a tune up, its rate increases by x liters per

hour. If the motor now takes 3 hours to pump 1800 liters, in which equation does x represent the increase in speed after the tune up?
Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

Answer: 3(500+x)=1800

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Answer:

540x+680y<=20000

Step-by-step explanation:

x will be the number of laptops. Since they are $540 each, 540x is the amount spent on laptops, depending on how many (x) are purchased.

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Adding all the money spent on laptops and desktops, we get

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in each of the following divide the second number by the first number and find the quotient:3/4,-3/8​
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