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Goryan [66]
3 years ago
15

I don't understand can someone help me PLZ

Mathematics
2 answers:
Tpy6a [65]3 years ago
6 0
The answer is 1/2. Count how many a out of the total.
Inessa05 [86]3 years ago
4 0

Answer:

1/2

Step-by-step explanation:

the circle has 8 pieces so that's how you get the denominator

you count how many A's there are and that is your numerator

so now 4/8 and reduce to get a half

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A cashier has a total of 30 bills consisting of ones, fives and twenties. the number of twenties is 5 less than the number of on
Varvara68 [4.7K]

Let us say that:

a = ones

b = fives

c = twenties

 

So that the total money is:

1 * a + 5 * b + 20 * c = 229

=> a + 5b + 20c = 229                                       --> eqtn 1

 

We are also given that:

c = a – 5                                                                --> eqtn 2

a + b + c = 30                                                      --> eqtn 3

 

Rewriting eqtn 3 in terms of b:

b = 30 – a – c

Plugging in eqtn 2 into this:

b = 30 – a – (a – 5)

b = 35 – 2a                                                           --> eqtn 4

 

Plugging in eqtn 2 and 4 into eqtn 1:

a + 5(35 – 2a) + 20(a – 5) = 229

a + 175 – 10a + 20a – 100 = 229

11a = 154

a = 14

 

So,

b = 35 – 2a = 7

c = a – 5 = 9

 

Therefore there are 14 ones, 7 fives, and 9 twenties.

7 0
3 years ago
A recipe calls for 1/3 cups of flour. If Yasmin decides to quadruple the recipe, how many cups of flour will she need? plz answe
MatroZZZ [7]

Answer:

1 and 1/3

Step-by-step explanation:

1/3x4=1 and 1/3 cuz 1/3+1/3=2/3 and 2/3+2/3=4/3 and 4/3=1 and 1/3

8 0
3 years ago
Read 2 more answers
What is the area of the following rectangle?
AURORKA [14]
Area =lw
=2x (8+1)
=2x (9)
=18x
therefore the area is 18x
3 0
3 years ago
What is 1,054.0402 in expanded notation?
viktelen [127]
1,000 + 50 + 40 + 0.04 + 0.0002 is the number above in expanded notation.
3 0
3 years ago
Which fraction is equivalent to 2/5?  <br> A. 4/10 <br> B. 2/10   <br> C. 1/2   <br> D. 4/6
Lelechka [254]
Hey there James!

So, just remember, 2/5 is almost half of 1.

When it is almost half of 1, this means that it would have to be 2.5/5

This would mean that 4/10 would be your answer, because it is almost half of 1 also.

Hope this helps.
6 0
3 years ago
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