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castortr0y [4]
3 years ago
8

A large department store held a big​ sale, with all clothing at 65​%​ off, all jewelry at 60​% ​off, and electronics at 30​% off

. It added a​ 6% sales tax to jewelry and electronics purchases only. Andre purchased a VCR originally priced at ​$180.95​, two ​$48 ​shirts, and a ​$106 necklace. What was​ Andre's total​ bill?
Mathematics
1 answer:
lana66690 [7]3 years ago
8 0

Answer:

Andre's total bill=$196.0089

Step-by-step explanation:

Step 1

The total bill per item can be expressed as follows;

Bill per item=original price-(discount rate×original price)

Step 2

The expression above can be used to determine the amount paid per item;

VCR bill=180.95-(30% of 180.95)

VCR bill=180.95-(0.3×180.95)=$126.665

Shirts=48-(0.65×48)=$16.80

Necklace=106-(0.6×106)=$42.40

6% of jewelry and electronic purchases=(42.4+126.665)=$169.065

Sales tax=(6/100)×169.065=$10.1439

Step 3

Andre's total bill=shirt+VCR+necklace+sales tax

Andre's total bill=(16.80+126.665+42.40+10.1439)=196.0089

Andre's total bill=$196.0089

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Kate bought 3 used CDs and 1 used DVD at the bookstore. Her friend Joel bought 2 used CDs and 2 used DVDs at the same store. If
natka813 [3]

Answer:

Cost of 1 DVD is $6.5

Cost of one CD is $4.5

Combine cost of one DVD and CD is $11

Step-by-step explanation:

Given :

Kate bought 3 used CDs and 1 used DVD at the bookstore.

Her friend Joel bought 2 used CDs and 2 used DVDs at the same store.

Kate spent $20

Joel spent $22

To Find :  the cost of a used CD and a used DVD

Solution :

Let cost of 1 used CDs be $x

Let cost of 1 used DVDs be $y

Cost of 3 used CDs = $3x

Cost of 2 used CDs = $2x

Cost of 2 used DVDs = $2y

Kate bought 3 used CDs and 1 used DVD at the bookstore.

She spent $20

So, equation becomes :

⇒3x+y=20 ---(a)

Joel bought 2 used CDs and 2 used DVDs. she spent $22.

So, equation becomes:

⇒2x+2y=22 --(b)

Now solve (a) and (b) to determine the value of x and y

We will use substitution method

Substitute the value of x from (b) in (a)

3(\frac{22-2y}{2} )+y=20

33-3y+y=20

33-2y=20

33-20=2y

13=2y

\frac{13}{2} =y

6.5 =y

Thus cost of 1 DVD is $6.5

Now substitute this value of y in b to get value of x

⇒2x+2(6.5)=22

⇒2x+13=22

⇒2x=22-13

⇒2x=9

⇒x=\frac{9}{2}

⇒x=4.5

Thus the cost of one CD is $4.5

Hence the combine cost of one DVD and CD =  $6.5+ $4.5=$11


6 0
3 years ago
the nth pyramidal number tells how many cannonballs there are in a square arrangement that is n cannonballs square. a: true b: f
anzhelika [568]
This statement is true.

A pyramidal number tells the number of balls that could be stacked evenly with square bases. If were are looking for the nth pyramidal number, that is a pyramid with a square base that is n by n.
6 0
3 years ago
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Serga [27]
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8 0
1 year ago
Last year there were 120 students in choir. This year, 30% more students took choir. How many students are taking choir this yea
soldi70 [24.7K]

Answer:

156 students

Step-by-step explanation:

To find how many students are in choir this year, multiply 120 by 1.3

120(1.3)

= 156

So, this year, 156 students are taking choir

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3 years ago
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Solve for x. what is aswer
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