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lilavasa [31]
3 years ago
15

There are 96 new houses being built in a neighborhood. Last month,1 over 4 of them were sold. This month, 1 over 3 of the remain

ing houses were sold. How many houses are left to be sold?
Mathematics
1 answer:
Elis [28]3 years ago
8 0
1/4 of 96 were sold... replace "of" with ×

1/4 × 96 = 96/4 = 24

So the first month 24 houses were sold so that leaves...

96 - 24 = 72 houses.

1/3 of 72 were sold the next month

1/3 × 72 = 72/3 = 24

24 houses were sold the second month so there are...

72 - 24 = 48 houses left
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Step-by-step explanation:

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Step-by-step explanation:

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A stray dog ate 25 of your muffins that was 5/6 of all of them with how many did you start?
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Answer:

30 = total muffins

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3 years ago
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Mr. Blue drove from Allston to Brockton, a distance of 105 miles. On his way back, he increased his speed by 10 mph. If the jour
andrew-mc [135]

Answer:

His original speed was 60 mph.

Step-by-step explanation:

The average speed formula is shown below:

speed = distance / time

For the first leg of the trip Mr. Blue drove at a speed of "x" mph, for a distance of 105 miles, therefore the time that took to complete the trip is:

time 1 = distance / speed

time 1 = 105 / x h

On the second leg of the trip Mr. Blue drove faster at a speed of "x + 10" mph, so the time it took him to complete the trip was 15 minutes less, therfore:

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Applyint the time and speed from the second leg to the average speed formula we have:

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x + 10 = 105*x/(105 - 0.25*x)

(x + 10)*(105 - 0.25*x) = 105*x

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