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3 years ago

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A mother explains to her child that the price on the sign is not the total price for an oil painting, because the price does not

include tax. She points out that an $875 oil painting actually costs $945 once the sales tax is added. What is the sales tax percentage?

1 answer:

dlinn [17]3 years ago

3 0

Answer:

Or u cld simply just say 945 - 875 = 70

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Simplify the expression. (3.5x - 5) + (7.2x + 10)

Andru [333]

Answer: 10.7x + 5

Step-by-step explanation:

(3.5 + 7.2)x + (-5 + 10) = 10.7x + 5

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3 years ago

What is 53/200 as a percent.

taurus [48]

$\frac { 53 }{ 200 } \\ \\ =\frac { 26.5 }{ 100 } \cdot \frac { 2 }{ 2 } \\ \\ =\frac { 26.5 }{ 100 } \cdot 1\\ \\ =\frac { 26.5 }{ 100 }$

Therefore your answer is 26.5%.

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4 years ago

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18=3[x-1] step by step

Aleksandr-060686 [28]

18=3(x-1)
18=3x-3
18-3=3x
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15/3=x
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3 years ago

You have a jar containing 55 coins, consisting entirely of nickels and quarters, worth a

yawa3891 [41]

Answer: 22 quarters

Step-by-step explanation:

Let N be the number of nickels.

Then the number of quarters is (55-N)

The nickels contribute 5N cents to the total.

The quarters contribute 25*(55-N) cents to the total.

5N + 25*(55-N) = 715

5N + 1375 - 25N = 715

-20N = 715 - 1375 = -660

$N=\frac{-660}{-20}$

$=33$

$55-33=22$

So there is 22 quarters inside the jar.

Check to see if my answer is correct-

33*5 + 22*25 = 715 cents

6 0

3 years ago

At a local restaurant a new dinner menu is available that offers 4 courses 1 appetizer 1 salad 1 main dish and 1 dessert all for

elena-14-01-66 [18.8K]

Answer:

Number of Dinner Menu in the Restaurant = 4 =[1 appetizer+ 1 salad+ 1 main dish + 1 dessert]

Number of Different Appetizer = 6

Number of Different Salad =2

Number of Different Main Dishes = 3

Number of Different Desserts =4

Number of Different Dinner Outcomes

=[Choosing 1 appetizer among 6 appetizer] × [Choosing 1 Salad item among 2 salad Items] ×[Choosing 1 main Dish among 3 main Dishes] × [Choosing 1 dessert among 4 desserts]

=Order is not Important,so we will use the concept of combinatorics

$=_{1}^{6}\textrm{C}\times_{1}^{2}\textrm{C}\times _{1}^{3}\textrm{C} \times _{1}^{4}\textrm{C}\\\\=6 \times 2 \times 3 \times 4\\\\=144$

So, Number of Possible Dinner Outcomes = 144

5 0

3 years ago