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Marina86 [1]
3 years ago
15

Three candy bars cost $3.81 at this rate how much does 7 candy bars cost

Mathematics
2 answers:
Mila [183]3 years ago
8 0

Answer:

$8.89

Step-by-step explanation:

one is 1.27 so multiply that by 7 and you get $8.89

Charra [1.4K]3 years ago
4 0

Answer:

3.81 ÷3 = 1.27

1 27×7 = 8.89

7 candy bars cost $8.89

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Fofino [41]

Answer:

960 ways

Step-by-step explanation:

Multiplication Principle:  if there are  n  ways to do one thing and  m  ways to do another, then there are  m x n ways to do both.

That can expand to include three things (or more).

8 x 10 x 12 = 960

4 0
3 years ago
How do you get why by itself in this equation? 4x+5y=5
Alja [10]

Answer:

first we get y on one side by itself.

4x+5y=5

we'll move x to the other side.

4x-4x+5y=5-4x

simplify.

5y=5-4x

now we get rid of the coefficient on y.

5y/5=(5-4x)/5

simplify.

y=5/5-4x/5

y=1- \frac{4}{5}x

The answer is y=1-\frac{4}{5}x

6 0
3 years ago
What is y=-4/3x +6. y=2
Mekhanik [1.2K]

The given equation is:
[/tex]y=-\frac{4}{3}x+6 [/tex] and we need to evaluate this for y=2.
So, first step is to plug in 2 for y in the above equation. Therefore,

2=-\frac{4}{3} x+6
2*3=-\frac{4}{3} x*3+6*3 Multiply each sides by common denominator 3
6=-4x+18
6-18= -4x Subtract 18 from each sides.
-12=-4x
-\frac{12}{-4} =-\frac{4x}{-4}
So, x=3

5 0
3 years ago
A cheer squad of 8 cheerleaders raised $317.30. They need $622.42 to
adell [148]

Answer:

Each cheerleader needs to raise 38.14 more

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Leila purchased a pre paid phone card for $25. Long distance calls cost 22 cents a minute using this card. Leila used her card o
slamgirl [31]

Answer:

Leila's call lasted for 25 minutes.

Step-by-step explanation:

inital amount - (0.22 * minutes on the phone) = final amount

25 - 0.22x = 19.5

Solve for x

Subtract 25 from both sides

-0.22x = -5.5

Divide both sides by -0.22

x = 25

6 0
4 years ago
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