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svetlana [45]
2 years ago
7

Jamie has $47 and is saving $4 every week to buy her boy friend, chad, a new $69 jacked. How many weeks will it take her to have

enough money?
Write an equation then solve for x
Mathematics
2 answers:
Lera25 [3.4K]2 years ago
8 0

Answer:

Total money required =$69

Money she has=$47

Money left to be collected =$69-$47=$22

Money he is collecting every week=$4.

Therefore,

Weeks required =22/4=5.5

=6weeks(almost

Elodia [21]2 years ago
6 0

Answer:

4x+47=69

x=5.5

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Red and white paint are mixed to make pink paint. If the amount of red paint needed is half the amount of white paint, how many
Lady_Fox [76]

Answer:

We will need about 3.3 gallons of red paint.

Step-by-step explanation:

Let

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  • w = amount of white paint

The amount of red paint is half the amount of white paint.

r = 1/2 w

w = 2r [1]

We need to make a total of 10 gallons. Then,

r + w = 10 [2]

Replacing [1] in [2]

r + (2r) = 10

3r = 10

r = 3.3

We will need about 3.3 gallons of red paint.

5 0
3 years ago
Abercrombie is having a sale of 25% off your purchase. You plan to buy a fleece sweatshirt that has a price tag of $72. How much
Oduvanchick [21]

Answer:

$18

Step-by-step explanation:

You save 25% 0f 72 (72x.25)

3 0
3 years ago
Isabella save 2 nickels today, if she doubles the number of Nicole, she saves every day, how many days, including today, will it
Elden [556K]

Answer:

  8 days

Step-by-step explanation:

On day 8, Isabella will save 256 nickels, bringing her total to 510.

_____

The number of nickels saved on day n is 2^n. The total is 2^(n+1)-2.

_____

The above can be written down from your knowledge of binary sequences. If you want a more formal development, read on.

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The number of nickels saved on day n is a geometric sequence with first term 2 and common ratio 2. The n-th term of the sequence is ...

  an = a1·r^(n-1) = 2·2^(n-1) = 2^n

The sum of n terms of the sequence is ...

  S = a1(r^n -1)/(r -1) = 2(2^n -1)/(2-1)

  S = 2^(n+1) -2

__

We want S > 500, so ...

  500 < 2^(n+1) -2

  502 < 2^(n+1)

  251 < 2^n

  log(251) < n·log(2)

  n > log(251)/log(2)

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3 0
3 years ago
How does knowing x=52 help you find the value of your?
julsineya [31]

Answer:2

Step-by-step explanation:

8 0
3 years ago
help please !!!Kevin wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add
Liula [17]
So basically, he wants to make mixture where lemon=lime

it is 6 gallons so
40% of 6=0.4 times 60=2.4=lemon
60% of 6=0.6 times 60=3.6=lime
so to make them equal
3.6-2.4=1.2
he must add 1.2 gallons of 100% lemon juice to make a mixture of 50% lemon and 50% lime

1.2 gallons is the answer
8 0
3 years ago
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