2 years ago

If the sales tax rate in Perryville

1 answer:

6 0

To find the tax rate (in this case, 8%), you must multiply the base cost ($128) by the percentage (or, divide the cost by 100 and multiply that by the percentage).

$128÷100=$1.28

$1.28×8%=$10.24

So, the amount of tax that is charged on the table is exactly $10.24.

Hope this helps!

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There were 60 ducks living in a pond. If the number living at the pond increased by 30%, how many ducks now live at the pond?

timama [110]

Answer:

Step-by-step explanation:

You take the original total: 60, and multiply it by 30 to get 1,800. You then divide 1,800 by 100 to get 18. 18 is your 30%. Now, you add the 30% to 60 getting your total number of ducks: 78.

The equation version:

$\frac{a}{60} = \frac{30}{100}$

It is just proportions.

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3 years ago

An 18 ounce box of cereal costs $2.76. How many ounces should a box priced at $2.07 contain?

Darya [45]

First you find the unit rate. (Divide 2.76 by 18)
You will find out that each ounce costs $0.15

Then divide 2.07 by 0.15.

The answer is 13.8 ounces.

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3 years ago

Find the slope of the line that is perpendicular to the line that passes through the points (5,2) and (8,1)

Naya [18.7K]

Answer:

Step-by-step explanation:

The slope of the line passing through the points is

m = (y2-y1)/(x2-x1)

= ( 1-2)/(8-5)

= -1/3

The slope that is perpendicular is the negative reciprocal which is

- ( 1/(-1/3)