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2 years ago

The sales tax for an item was $19.20 and it costs $480 before tax. Find the sales tax rate. Write your answer as a percentage

Mathematics

1 answer:

Zigmanuir [339]2 years ago

5 0

Answer:

sales tax rate = 4%

Step-by-step explanation:

In this problem formula to express one term in percentage is used

To express x as percentage of y is given by (x/y*100) %

______________________________________________

Cost of item = $480

sales tax = $19.20

we have to find sales tax rate.

sales tax rate is percentage of cost price which will levied as tax .

thus, we have to find sales tax as percentage of cost price.

using the percentage cost as given above

sales tax as percentage = sales tax/ cost of item *100

sales tax as percentage = 19.20/480 *100 = 4%

Thus, sales tax rate is 4%.

It means that if cost price of item is $100 then $4 will be the sales tax for the item.

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Question Translate and solve: Twelve less than x is equal to 51. Enter the equation

mafiozo [28]

Answer:

x = 63

Step-by-step explanation:

From the question, we can deduce the following points;

- 12 less than x which simply means 12 subtracted from x.

- the value of the above expression is equal to 51.

Translating the word problem into an algebraic expression, we have;

x - 12 = 51

Rearranging the equation (collecting like terms), we have;

x = 51 + 12

x = 63

6 0

3 years ago

This recipe makes 30 shortbread fingers.

siniylev [52]

Answer:

24 g butter

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Step-by-step explanation:

The recipe makes 30 shortbread fingers.

She wants to make 6 fingers.

6/30 = 1/5

She wants to make 1/5 of the recipe, so she needs 1/5 of each ingredient's amount.

Divide each amount by 5.

Recipe:

Makes 30 30/5 = 6 Makes 6

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8 0

2 years ago

Write an equation of the line that has a slope of 9 and y-intercept of -3

12345 [234]

Answer: y = 9x - 3

That's y=mx + b, the usual slope intercept form of a line with slope m and y intercept b.

6 0

2 years ago

Read 2 more answers

Solve: 3x=12 1. 36 2. 4 3. 5 4. 3

Alecsey [184]

Answer:

The answer is 4.

Step-by-step explanation:

This is a basic one-step algebra problem.

We have: 3x = 12.

We would like find what x equals. In order to do that, we must have the x variable on one side of the equals sign, and the rest of the numbers on the other side. In other words, we have to isolate the x variable away from its coefficient.

To do this, we must divide BOTH sides of the equation by 3. This would mean that the 3 on the left side of the equals sign cancels out, totally getting rid of the 3.

Here's what it should look like: $\frac{3x}{3} = \frac{12}{3}$