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3 years ago

Pax wants to make fruit punch for a party suing the recipe below

Mathematics

2 answers:

DIA [1.3K]3 years ago

8 0

Answer:

D. 14,25

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attach photo.

Given:

Orange juice: 1,25 l
Cranbarry juice: 2,5 l
Ginger ale: 1 l

He will make three times the amount of fruit punch listed in the RECIPE. so the the total amount of fruit punch in liters that packs will make is:

= 3 (Lits of Orange juice+ Lits of Cranbarry juice + Lits of Ginger ale)

= 3 (1,25 + 2,5 + 1)

= 14,25

We choose D.

faust18 [17]3 years ago

7 0

the answer should be d if my math is correct

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how many gallons of 80% antifreeze solution must be mixed with 100 gallons of 10% antifreeze to get a mixture that is 70% antifr

ololo11 [35]

Let's say we'll mix "x" amount of the 80% solution, how much antifreeze is in it? well is just 80% of antifreeze, and the rest is something else.... what's 80% of "x"? so is (80/100)*x, or 0.8x.

likewise, the mixture will be a 70% solution, and let's say it adds up to "y" amount, so how much antifreeze is in it? well (70/100) * y or 0.7y.

$\bf \begin{array}{lccclll}
&\stackrel{gallons}{amount}&\stackrel{\%}{quantity}&\stackrel{antifreeze}{quantity}\\
&------&------&------\\
\textit{80\% sol'n}&x&0.80&0.8x\\
\textit{10\% sol'n}&100&0.10&10\\
------&------&------&------\\
mixture&y&0.70&0.7y
\end{array}$

so whatever "x" is, we know that x + 100 = y.

and we know that 0.8x + 10 = 0.7y.

$\bf \begin{cases}
x+100=\boxed{y}\\
0.8x+10=0.7y\\
----------\\
0.8x+10=0.7\left( \boxed{x+100} \right)
\end{cases}
\\\\\\
0.8x+10=0.7x+70\implies 0.8x-0.7x=70-10\implies 0.1x=60
\\\\\\
x=\cfrac{60}{0.1}\implies x=600$

6 0

3 years ago

Solve the system of equations 4x + 3y = -25 <br><br> 7x - 3y = -52

SIZIF [17.4K]

Answer:

x = -7

y = 1

Step-by-step explanation:

Solve by Substitution :

// Solve equation [2] for the variable x

[2] 7x = 3y - 52

[2] x = 3y/7 - 52/7

// Plug this in for variable x in equation [1]

[1] 4•(3y/7-52/7) + 3y = -25

[1] 33y/7 = 33/7

[1] 33y = 33

// Solve equation [1] for the variable y

[1] 33y = 33

[1] y = 1

// By now we know this much :

x = 3y/7-52/7

y = 1

// Use the y value to solve for x

x = (3/7)(1)-52/7 = -7

Solution :

{x,y} = {-7,1}

8 0

3 years ago

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RSB [31]

Answer:

Step-by-step explanation:

100 25

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6 0

4 years ago

If the scale of a map is 2 centimeters=21 kilometers, then what is the actual distance of 14 millimeters?

Ad libitum [116K]

Answer:

14.7 km

Step-by-step explanation:

Given:

Scale of a map is 2 cm = 21 km.

We know that, 1 cm = 10 mm

Therefore, 2 cm = 2 $\times$ 10 = 20 mm

Therefore, the scale of the map is, 20 mm = 21 km

Now, let the actual distance be 'd' km for 14 mm.

Using proportion of the two quantities, we get:

$\frac{d}{14}=\frac{21}{20}$

Multiplying both sides by 14, we get:

$\frac{d}{14}\times 14=\frac{21}{20}\times 14\\d=\frac{21\times 14}{20}=\frac{147}{10}=14.7\ km$

Therefore, the actual distance of 14 mm is 14.7 km.

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3 years ago

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Lapatulllka [165]

Answer:

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Step-by-step explanation:

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3 years ago