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klio [65]
2 years ago
15

Heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp

Mathematics
2 answers:
Bumek [7]2 years ago
7 0

Answer:

$7.5 i think

Step-by-step explanation:

tatiyna2 years ago
6 0

Answer:

Step-by-step explanation:

Discount = discount% * price

               = 25% * 30

               = \dfrac{25}{100}*30\\\\\\= \dfrac{1}{4}*30=\dfrac{15}{2}\\\\\\

                = $ 7.50

She saves $ 7.50

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What percent of the full distance have they run in 1 hour?
Y_Kistochka [10]

Answer:

yards

Step-by-step explanation:

4 0
3 years ago
Xue Ying had 143 more sweets than Joanne.After Joanne gave away 22 sweets, Xue Ying had 6 times as many sweets as Joanne. How ma
andreyandreev [35.5K]

Answer:

In the end Joanne had 55 sweets.

Step-by-step explanation:

Let the number of sweets that Xue Ying had be y and let the number of sweets Joanne had be x.

It is given that Xue Ying had 143 more sweets than Joanne. We can write this information as an equation.

               y = x + 143.

It is also given that Joanne gave away 22 of her sweets and after that Xue Ying had 6 times as many more sweets. We can write this as an equation.

             y = 6(x - 22) = 6x - 132.

Therefore we can equate the two equations and solve for x.

                 x + 143  = 6x  - 132

                5x  = 275

        ∴       x =  \frac{275}{5}  = 55 sweets.

Therefore in the end Joanne had 55 sweets.                        

4 0
3 years ago
13 + 2k = 3k + 4(k - 3)​
Trava [24]

Answer:

k=5

Step-by-step explanation:

7

k

−

12

=

13

+

2

k

Move all terms containing

k

to the left side of the equation.

8 0
4 years ago
Which expression is equivalent to 12 1/5 - ( 22 2/5 ) - ( 40 1/5 ) ?
RideAnS [48]

Answer:

-50 2/5.

Step-by-step explanation:

First subtract the whole numbers:

12 - 22 - 40

= -50.

Next the fractions:

1/5 - 2/5 - 1/5

= -2/5

So the answer is -50 2/5.

4 0
3 years ago
A store offers packing and mailing services to customers. The cost of shipping a box is a combination of a fiat packing fee of $
Marina CMI [18]

Answer:

f(x)=2.25x+5

Step-by-step explanation:

8 0
3 years ago
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