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daser333 [38]
3 years ago
12

Please help me with this!

Mathematics
2 answers:
notsponge [240]3 years ago
4 0

4 babies and 7 adults 

  B head=4x1=4    Aheads (3x7)=21     21+4=25 heads

B wings    4x2=8  A wings(4x7)=28       28+8=36


Kitty [74]3 years ago
3 0

There are 4 babies and 7 adults 

<span>B head = 4x1=4    A heads is (3x7)=21     21+4=25 heads</span>

B wings = 4x2=8  A wings is (4x7)=28     28+8=36 wings

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You are selling candy and wrapping paper for the band's Christmas fundraiser. The candy sells for 8 dollars per box and the wrap
Ludmilka [50]

Answer:

The number of boxes of candy sold is 4

The number of rolls of wrapping paper sold is 10

Step-by-step explanation:

Let x = number of boxes of candy that was sold.

Let y = number of rolls of wrapping paper was sold.

The candy sells for 8 dollars per box and the wrapping paper sells for 6 dollars per roll. This means that x boxes of candy and y rolls of wrapping paper will be sold for

$(8x + 6y)

If you have sold 14 items, and collected 92 dollars, this means that

x + y = 14

8x + 6y = 92 - - - - - - -1

Substituting x = 14 - y into equation 1, it becomes

8(14-y) + 6y = 92

112 - 8y + 6y = 92

- 8y + 6y = 92 - 112

-2y = -20

y = 20/2 = 10

x = 14 - y

x = 14 - 10

x = 4

The number of boxes of candy sold is 4.

The number of rolls of wrapping paper sold is 10.

7 0
3 years ago
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Luden [163]

Answer:

"Dominic lived in Spain for 13 months and Columbia for 7 months."

Step-by-step explanation:

let months stayed in spain be "s" and months stayed in columbia be "c"

We can write 2 equations.

Since, lived in Spain and Columbia for a total of 20 months, we can write:

s + c = 20

Also, since 120 words per month in Spain and 150 words per month in Columbia for a total of 2610 new words, we can write:

120s + 150c=2610

Solving first for s:

s = 20 - c

Putting in 2nd and solving:

120(20 - c) + 150c = 2610

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c = 7

Now,

s = 20 - c = 20 - 7 = 13

So

"Dominic lived in Spain for 13 months and Columbia for 7 months."

5 0
3 years ago
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denis-greek [22]

First number = x

Second number = x + 2

Third number = x + 4

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Simplify:

3x + 6 = 438

Subtract 3 from both sides

3x = 432

Divide both sides by 3

X = 144

The second number is 144 + 2 = 146

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4 years ago
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Sergeeva-Olga [200]
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If you have two dollars, five pennies, and three quarters, how much money do you have?
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2.80 dollars

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