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Naya [18.7K]
3 years ago
9

Equivalent expressions for 12x+10-5x

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0

12x+10-5x

12x-5x+10 ( combine like terms)

12x-5x= 7x

Answer: 7x+10

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The bookstore marked some notepads down from ​$3.00 but still kept the price over ​$2.00. it sold all of them. the total amount
adoni [48]

The number of notepads sold will be 17 and the price of each notepad is $2.15

Let's assume, the price of each notepad is X and the number of notepads sold is Y

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X < 3.00 and X > 2.00

As the number of notepads sold is Y, so the total price of all X number of notepads will be : XY

Here it is given that, the total amount of money from the sale of the pads was ​$36.55

So, XY = 36.55

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and for X > 2.00,

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As here Y is the number of notepads sold, so the value of Y must be a whole number. The minimum value of Y will be 13 and maximum value will be 18.

Now we will use hit and trial method

If Y= 13 , then X = \frac{36.55}{13} = 2.81153846....

If Y= 14 , then X = \frac{36.55}{14} = 2.6107142...

If Y= 15 , then X = \frac{36.55}{15} = 2.43666666...

If Y= 16 , then X = \frac{36.55}{16} = 2.2843..

If Y= 17 , then X = \frac{36.55}{17} = 2.15

and if Y = 18 , then X = \frac{36.55}{18} = 2.0305555...

So, for getting XY= 36.55 exactly, the value of X= 2.15 and the value of Y=17.

So, the number of notepads sold will be 17 and the price of each notepad is $2.15

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Answer:

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How much sales tax will be charged for store B
eduard

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