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Alika [10]
2 years ago
13

To get ready for a new school year, Meg 3 pens for $.79 each ,2notebooks for$1.29 each ,and 4 folders for $1.15 each.Sales tax f

or all of the items was $.38 .How many change will Meg get back from a$20?
Mathematics
2 answers:
rodikova [14]2 years ago
3 0

change will be $10.07


rewona [7]2 years ago
3 0
I know this question has already been answered, but I believe an explanation would be helpful

3 X 0.79 = $2.37
2 X 1.29 = $2.58
4 X 1.15 = $4.60
2.37 + 2.58 + 4.60 + 0.38 = $9.93

$20 - $9.93 = $10.07
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Chester has a coupon for 1/10 off the price of a shirt. If the shirt originally costs $28.70, what discount would chester reciev
wolverine [178]

Answer:

Chester would receive a discount of $2.87 on using the coupon.

Step-by-step explanation:

We are given the following in the question:

Original cost of shirt = $28.70

Discount =

\dfrac{1}{10}\text{ of the original price}

We have to find the discount Chester would receive from using this coupon.

Discount amount =

=\dfrac{1}{10}\times \text{Original Price}\\\\=\dfrac{1}{10}\times 28.70\\\\=2.87

Thus, Chester would receive a discount of $2.87 on using the coupon.

3 0
3 years ago
Derek buys a house for £150,000
Elden [556K]

Answer:

cost price=$150,000

selling price =$154,000

profit= $154,000-$150,000=$4,000

Therfore Percentage Profit= 4,000÷15,000×100=2.7%

Percentage Profit =2.7%

7 0
3 years ago
Find the height of the triangle by applying formulas for the area of a triangle and
lina2011 [118]

Answer:

Step-by-step explanation:

a= 12 mm ; b = 16 mm  ; c = 18 mm

s = (a + b+c)/2

=\dfrac{12 + 16 + 8}{2}\\\\= \dfrac{36}{2}\\\\= 18\\\\

s -a =  18 -  12 = 6 mm

s  -b = 18 - 16 = 2 mm

s  -c = 18 - 8 = 10 mm

area = \sqrt{s(s -a)(s-b)(s-c)}

       = \sqrt{18*6*2*10}\\\\= \sqrt{2160 }\\\\=46.47\\\\=46 \ mm^{2}\\

\dfrac{1}{2}* \ base * \ height = 46\\\\\dfrac{1}{2}*16* \ height = 46\\\\height = \dfrac{46*2}{16}\\\\

  = 5.75

Height = 5.8 mm

8 0
2 years ago
Read 2 more answers
Someone please help!! :^(
sineoko [7]

Answer:

equation of the table is y=30x+60

60 degrees is what the temperature starts at

to get to 440 degrees he needs 12 minutes and 40 seconds

Step-by-step explanation:

the change in y over change in x is 90/3 which is the slope

slope is 30

if slope is 30 then 30*2+b=120 60+b=120 so b=60 and it is the y intercept

440=30x+60

380=30x

x=12 2/3

x= 12 minutes and 40 seconds

8 0
3 years ago
The coordinates of which point are (–3, –6)?point Apoint Bpoint Cpoint D
Serga [27]

Answer: I think point C

5 0
2 years ago
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