3 years ago

How many 2/3 ounce portions of chocolate can Anna get from the 42/3 ounces of chocolate she bought at Union Market?

1 answer:

6 0

She can get 21 portions. Since 2/3 and 42/3 already share the same denominator, all you need to do is divide 42 by 2 to get 21.

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What is the expanded form of the expression -1/7 (y-x)

rodikova [14]

Answer:

-1/7 y + 1/7 x

Step-by-step explanation:

Can also be written as

1/7 x - 1/7 y

3 0

3 years ago

Use the substitution method to solve the system of equations. Choose the correct ordered pair. x + y = 11 -x = -y - 9

suter [353]

$x+y=11 \\
-x=-y-9 \\ \\
\hbox{substitute the second equation by -1} \\ \\
x+y=11 \\
x=y+9 \\ \\
\hbox{substitute y+9 for x in the first equation} \\ \\
y+9+y=11 \\
2y=11-9 \\
2y=2 \\
y=\frac{2}{2} \\
y=1 \\ \\
x=y+9 \\
x=1+9 \\
x=10 \\ \\
(x,y)=(10,1)$

The answer is B.

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2 years ago

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A car travels 12 miles on 0.3 gallon of gas, How far can it travel on 1 gallon?

oksano4ka [1.4K]

Answer:

40 miles

Step-by-step explanation:

1 divided by 0.3 x 12=40

8 0

2 years ago

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