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KiRa [710]
3 years ago
5

Roger wants to have 400 copies of his resume printed. His local print shop charges $21.50 for the first 200 copies and $10 for e

very 100 additional copies. How much will the 400 copies cost,including a sales tax of 6%
Mathematics
1 answer:
faust18 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

We'll d the sales tax last.

So, assumedly 1-200 will cost that base 21.50 regardless, so if we say the first 200 is 21.50 that means the remaining 200 will get the other price.  The other price is 10 dollars per 100.  So 200 is 100 twice, so that's 10 dollars twice, which is 20.

This leaves 41.50 as the base price.  Now to find the sales tax you multiply the base price by the tax percentage in decimal form.  6% is .06 in decimal form.  So you do 41.50*.06 = 2.49.  That is how much is being added.  so now the full price is 41.50+2.49 = 43.99.

Anther way to find sales tax is this formula b(1+t) where b is the base price and t is the tax in decimal form.  So for this you could have done 41.50(1+.06).

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Simplify 3 + 1 to 4

6x^4y^2 + 6

Simplify 2 + 6 to 8

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4 0
3 years ago
A silversmith mixed 100 g of a 40% silver alloy with 40 g of
notsponge [240]
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6 0
3 years ago
Carly's family traveled 3/10 of the distance to her grandmother's house on Saturday. They traveled 3/7 of the remaining distance
polet [3.4K]

Answer:

3/10 of the total distance to her grandmother's house was traveled on Sunday

Step-by-step explanation:

Carly's family traveled distance of Saturday = \frac{3}{10}

Remaining distance =1-\frac{3}{10}=\frac{7}{10}

They traveled 3/7 of the remaining distance on Sunday.

So, Distance traveled on Sunday =\frac{3}{7}(\frac{7}{10})

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Fraction of the total distance to her grandmother's house was traveled on Sunday =\frac{3}{10}

Hence 3/10 of the total distance to her grandmother's house was traveled on Sunday

5 0
3 years ago
Y=3/4 x-4
pochemuha

Answer:

see graph of y=3/4 x-4

Step-by-step explanation:

Assuming you mean

y = \frac34x - 4

Below is a graph of that one. The slope is 3/4 and the interception with the y axis is at y=-4. The equation is in its normal form y=ax+b with a=3/4 (slope) and b=-4 (y intercept), so no conversion needed.

You have to be careful on how you write these equations down. It might very well be that you meant:

y = \frac{3}{4x-4} or y = \frac{3}{4x} - 4

However, those are more complex so I'm hoping for the first one... ;-)

8 0
3 years ago
I’ll give the Brainliest to who answers this question with a reasonable explanation.
Lyrx [107]
$40/12 = unit rate simplify = 10/3
$10/3 per book
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5 0
2 years ago
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