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Sidana [21]
3 years ago
11

Gabby purchased a pair of ear phones online for $12. She purchased the ear phones at 60% of the store price. What was the store

price of the ear phones ?
Mathematics
1 answer:
torisob [31]3 years ago
3 0

Answer:

The answer of your question is: $20

Step-by-step explanation:

Data

price $12

60% of the store price

Solve it using an inverse rule of three

                           $12 -------------------  60%

                             x  --------------------  100%

        x = 100(12) / 60 = $20

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        Turn one into a fraction

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3 years ago
D.<br> Question 2<br> - 3x + 7 (-6 - 50)<br> c=7<br> x = -9
Reil [10]

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5 0
3 years ago
Algebra problem!!! Please help me!!!
zmey [24]

Good morning Brainiac

x+y = 13

1/2 x +y = 10


We gonna solve x+y=13 for x

So let's start by adding -y to both sides

x+y -y = 13-y

x= -y +13

Now substitute -y+13 for x in 1/2 x +y=10

1/2 x +y = 10

1/2 (-y+13)+y=10

1/2 y + 13/2 = 10

Now add -13/2 to both sides

1/2 y+13/2 -13/2 = 10- 13/2

1/2 y = 7/2

Now eliminate the common denominator which is 2

y = 7

Now we have the value for y, so lets find the value for x by substitute 7 for y in x= -y+13

x= -y+13

x= -7 + 13

x= 6

Answer : (6,7)

The answer is B


I hope that's help and if you have questions please let me know :)


Good luck

3 0
3 years ago
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