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vova2212 [387]
3 years ago
13

If the lake is 60 miles away and Rene is driving at 40 miles a hour the whole time how long will it take for her to get to the l

ake
Mathematics
2 answers:
Karolina [17]3 years ago
7 0

60/40 = 1.5  So Renee will need to drive 40miles 1.5 times in order to
cover 60 miles.

Since her speed is exactly 40 mph, she'll need to keep it up for <em>1.5 hours</em>.

Aloiza [94]3 years ago
7 0


The lake is 60 miles away and Rene drove 40 miles in an hour.

60-40 = 20

40 miles = 1 hour

20 miles = 30 min

Half of 40

It would take her 1hour 30 min

Hope it helps

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The number of pencils sold on the first day  is 5 pencils.

The number of notebooks sold on the first day  is 10 notebooks.

The number of pencils sold on the second day 10 pencils.

The number of notebooks sold on the second day   35 notebooks.

<u>Step-by-step explanation:</u>

Given data,

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Now, you have to calculate the no.of notebooks and no. of pencils sold each day.

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The number of sale of notebooks and pencils are given by,

Twice as many notebooks were sold as pencils.

Let us take, the number of pencils sold on the first day  = x

And,  the number of notebooks sold on the first day  = 2x (Twice as pencils).

<u>In the second day :</u>

The number of sale of notebooks and pencils are given by,

For every 7 notebooks​ sold, 2 pencils were sold.

The number of pencils sold on the second day =   2y

The number of notebooks sold on the second day   = 7y

<u> The equation is framed for number of notebooks sold on each day :</u>

The number of notebooks sold ⇒ 2x + 7y = 45   -------(1)

<u> The equation  is framed for number of pencils sold on each day :</u>

The number of pencils sold: x + 2y = 15  ----------(2)

Solving the equations by multiplying eq(2) by 2 and subtract it from eq(1),

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⇒ x = 15 - 10

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The value of x is 5.

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The number of pencils sold on the first day  = x ⇒ 5 pencils

The number of notebooks sold on the first day  = 2x ⇒ 10 notebooks

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The number of pencils sold on the second day =   2y ⇒ 10 pencils

The number of notebooks sold on the second day   = 7y ⇒ 35 notebooks.

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