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Vsevolod [243]
3 years ago
13

A bag contains red and blue marbles. One-fourth of the marbles are red. If there is one red marble in the bag, how many blue mar

bles are in the bag?
plz i need help fast
Mathematics
1 answer:
Alenkinab [10]3 years ago
4 0
There are 3 marbles.
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QUESTION
yanalaym [24]

Answer:

$97,958.42

Step-by-step explanation:

To solve this problem we can use the compound interest formula which is shown below:

A=P(1+r )^{t}

<em>P = initial balance </em>

<em>r = interest rate </em>

<em>t = time </em>

<em> </em>

First change 6.5% to its decimal form:

6.5% -> \frac{6.5}{100} -> 0.065

Next plug in the values:

A=49,000(1+.065)^{11}

A=97,958.42

They have to pay back $97,958.42

7 0
2 years ago
Michelle buys a rug for $36 and sells it for $90. What was the value of her markup, expressed as a percent?
Rama09 [41]
Her markup was about 60%.
4 0
3 years ago
Read 2 more answers
Pls help will give Brainlyist
kvasek [131]

Answer:

B

Step-by-step explanation:

7 0
2 years ago
What is the quotient?<br> 7)<br> 126<br> А.<br> 16<br> B.<br> 17<br> С<br> 18<br> D<br> 19
Hunter-Best [27]

Answer:

C

Step-by-step explanation:

The quotient is 18

6 0
2 years ago
June bought three books. For the first book, she paid one half of her allowance plus $1 more. For the second book, she paid one
inysia [295]

Answer:

$34

Step-by-step explanation:

I'd work backwards.

For the third book, she paid all her remaining money. The problem says she paid "1/2 her leftover money + $3". This means that: (let m = money used to buy book 3)

m = 1/2m + 3

1/2m = 3

m = 6

For the second book: (let n = money before book 2)

n - m (money left after book 2) = 1/2n + 2

1/2n +2 is money used up for book, which is the same as n-m.

n = 1/2n + 2 + m

1/2n = 2 + m = 2 + 6

1/2n =8

n = 16

For the first book, she spent 1/2 her money + 1. If o = money before book 1 (or the whole allowance):

o - n = 1/2o + 1

o = 1/2o + n + 1 = 1/2o + 16 + 1

1/2o = 17

o = 34

Check!

Spent 17 (half 34) + 1 on book 1

16 left

Spent 8 (half 16) +2 on book 2

6 left

Spent 3 (half 6) + 3 on book 3

0 left

4 0
2 years ago
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