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aliina [53]
3 years ago
9

Which is cheaper for a 65$ item that costs $7 .25 to ship?

Mathematics
1 answer:
just olya [345]3 years ago
6 0
I am going to say the cheapest would be 65$ would be the answer. Because if you want it to be shipped too you would add 7.25$ to 65$ to what you are paying for. And taking 10 dollars off (subtracting) you would get 62.25$ But if you would take 65$ from you buying it and used the coupon you would have to pay 55$ The cheapest way is to buy that item (the item costs 65$) and use the 10% off coupon.
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A department store sells yellow and purple shirts. Each yellow shirt is the same price. Each purple shirt is the same price. How
Aleksandr [31]

Answer:

The Cost of  yellow shirts is $15 and the cost of purple shirt is $ 60

Step-by-step explanation:

Let cost of one yellow shirt be x

and the cost of one purple shirt be y

On Monday

5x + 7y = 165--------------------(1)

On Tuesday

4x + 11y = 213----------------------(2)

To solve (1) and (2)

multiplying eq(1) with 4

20x + 28y = 660--------------------(3)

multiplying eq(2) with 5

20x + 55y = 1056-------------------(4)

Subtracting (3) from (4)

20x + 55y = 1056

20x + 28y = 660

(-)

-----------------------------------

0x  +27y = 405

-----------------------------------

y = \frac{405}{27}

y = 15

Substituting y value in eq(1)

5x + 7(15) = 165

5x + 105 =405

5x =405 -105

5x =300

x = \frac{300}{5}

x =60

7 0
3 years ago
Read 2 more answers
A cab ride from your home to the airport cost $23.47. If you want to tip the cab driver close to 10 percent of the fare, how muc
Anna71 [15]

To find 10% of a number, move the decimal point one place to the left.

$23.47 becomes $2.347

The closest answer is C $3

8 0
3 years ago
HELLPP??? i dont understand thisssss
mr Goodwill [35]

Answer:

2 out of 11

2/11

unlikely

Step-by-step explanation:

6 0
3 years ago
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There are 9 candidates total, 5 male and 4 female, who run for 4 committee positions. Suppose that each person is equally likely
gavmur [86]
Use the hypergeometric distribution.
M=number of Men=5
F=number of women=4
m=number of men elected=2
f=number ow women elected=2.

Assuming equal chance to get elected, then
P(2M,2F)=C(M,m)*C(F,f)/C(M+F,m+f)
=C(5,2)*C(4,2)/C(9,4)
=10*6/126
=10/21

Reference: Hypergeometric distribution.

6 0
3 years ago
What weights more 2 pounds of rocks or 40 ounces of feathers explan
Paha777 [63]
2 pounds, 16 ounces equals one pound so 2 pounds is greater
7 0
3 years ago
Read 2 more answers
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