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Studentka2010 [4]
2 years ago
5

Please help I have 30 mins

Mathematics
1 answer:
Vladimir79 [104]2 years ago
4 0

Answer:  0.6 in 10 % ; 0.4 in 15 %

Step-by-step explanation:

1. (x*10%) + (y*15%)/ x+y=12%

2. x+y = 1  x= 1-y

(0.1x + 0.15y/ x+y= 12/100) * 100

(10x + 15y/x+y = 12)*(x+y)

10x+15y= 12x + 12y

-2x=-3y

2x = 3y   2(1 - y)= 3y

2-2y=3y   2= 5y

y= 0.4

x= 0.6

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3 years ago
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TiliK225 [7]

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2 years ago
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In the past month, Amy rented 7 video games and 4 DVDs. The rental price for each video game was $3.30. The rental price for eac
Lera25 [3.4K]

Answer:

$39.90

Step-by-step explanation:

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8 0
3 years ago
Help please please I really wanna pass!
galina1969 [7]

Answer:

See below

Step-by-step explanation:

1) x = 4

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3 years ago
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Answer:

Vertical Line test

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