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nlexa [21]
3 years ago
13

A painter mixes gray paint by using 1 gallon of black paint for every 7 gallons of white paint. How much black paint and how muc

h white paint will the painter need to mix 20 gallons of gray paint?
Mathematics
1 answer:
kondaur [170]3 years ago
4 0

Answer:

2.5 gallons of black paint

17.5 gallons of white paint

Step-by-step explanation:

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-8 -8x + 10 + 6x = 19
hram777 [196]

Answer:

x = -8.5

Step-by-step explanation:

Let's rearrange the question to find x :)

-8x + 6x + 10 - 8 = 19

-2x + 2 = 19

-2             -2

-2x = 17

/-2      /-2

x = -8.5

4 0
2 years ago
Sarah borrows £500 for 2 years at a rate of 15% to buy a
andrew11 [14]

Answer: 150 pounds

Step-by-step explanation:

3 0
3 years ago
What is the slope of the line that passes through (-4, 6) and (-6, 20)?
Hatshy [7]

Answer:

-7

Step-by-step explanation:

Since we have two points, we can use the slope formula

m = ( y2-y1)/(x2-x1)

    = ( 20-6)/(-6- -4)

    = ( 20-6)/ ( -6+4)

    = 14/-2

    = -7

3 0
2 years ago
If u help me with this question you are amazing ❤️❤️
madreJ [45]

Answer:

the answer is A 90+0.25x=147.50

Step-by-step explanation:

if this is useful please make me brainliest

7 0
3 years ago
The ratio of Country albums to Jazz albums in a music collection is 2:3. If the music collection has 45 albums, how many Country
kap26 [50]
{country albums}:{jazz albums}=2:3
3{country albums} = 2{jazz albums}

{country albums} + {jazz albums} = 45
{jazz albums} = 45 - {country albums}

3{country albums} = 2(45 - {country albums})
3{country albums} = 90 - 2{country albums}
5{country albums} = 90
{country albums} = 18

I got this answer from the link: brainly.com/question/2165977?entry=7190 I give them credit for this, as they were the original. For future reference, you can search your question at the top, and if someone has already answered that question and it is the same as yours, than you can use that, and thank them, etc.  I hope this helps!<span />
7 0
3 years ago
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