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Norma-Jean [14]
4 years ago
10

John paid $32.16 for groceries. This included 7% sales tax. What was the cost of groceries before the sales tax? A. $2.25 B. $30

.06 C. $32.31 D. $459.43
Mathematics
2 answers:
maxonik [38]4 years ago
7 0

Answer:

The cost before sales tax was $30.06  (option B)

Step-by-step explanation:

Let the cost of groceries before sales tax be = x

The sales tax is 7% or 0.07

Total amount paid by John = $32.16

The condition can be written as:

x+0.07x=32.16

1.07x=32.16

x=30.056 ≈ $30.06

Hence, the cost before sales tax was $30.06.

We can check this as follows.

0.07*30.06=2.10

30.06+2.10=32.16

Therefore, option B is correct.

hoa [83]4 years ago
6 0
If 32.16 includes the sales tax....then the price before the sales tax will be less then 32.16

that only leaves 2 choices.....
so lets check them...
7% sales tax on 2.25 = 0.07(2.25) = 0.16....so if u spent 2.25 on groceries and added the sales tax of 16 cents....then u would have spent 2.41...thats a long way from 32.16

if u spent 30.06...with 7% sales tax....u would spend 30.06 + 0.07(30.06) = 32.16

so the cost of the groceries before the sales tax is 30.06 <==
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Ivahew [28]

Answer:

The answer is D

Step-by-step explanation:

You can find it by expanding the equation in the form of y = mx + b :

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y - 4 = 3x + 3

y = 3x + 3 + 4

y = 3x + 7

Then, looking at the equation "b" is a y-intercept. The line that touch/passes through y-axis is called <u>y</u><u>-</u><u>i</u><u>n</u><u>t</u><u>e</u><u>r</u><u>c</u><u>e</u><u>p</u><u>t</u>. From the equation, we know that 7 is the y-intercept.

By looking at the diagram, only Graph D is suitable for this equation because the line has touches 7 at y-axis.

5 0
3 years ago
What is the best estimate of 28 × 4,417?
Maru [420]

Answer:

132600

Step-by-step explanation:

I was always taught like this, and this should be the best estimate:

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Some other possible estimates with simpler values:

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4 0
3 years ago
Read 2 more answers
You have two cards with a sum of (-12) In your hand.what two cards could you have?Give 2 examples
AlladinOne [14]
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6 0
4 years ago
M∠A = 75 + 5x
Firlakuza [10]

Answer:

See below

Step-by-step explanation:

For a parallelogram m < A = m < C so:-

75 + 5x = 87 + 3x

2x = 12

x = 6  

and m< A = 75 + 30 = 105

and m < C = 87 + 18 = 105

Now if the other 2 angles are  = 75 degrees( that is the same side angles add up to 180 degrees) we have proved that it is a parallelogram.

m < B = m < D

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6 0
3 years ago
A machine that fills 12-quart size packages of ice cream runs 8 hours a day, 7 days a week. The machine fills 900 ice cream pack
otez555 [7]

Answer:

Number of ice cream packaged each week = 604,800 Ice cream

Step-by-step explanation:

Given:

One package = 12 ice cream

Per day packing = 8 hour

Number of days work in a week = 7 days

Per hour packing = 900 package

Find:

Number of ice cream packaged each week :

Computation:

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⇒ Number of ice cream packaged each week = 604,800 Ice cream

8 0
3 years ago
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