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Minchanka [31]
2 years ago
15

A washer and a dryer cost 661 combined. The washer costs 39 less than the dryer. What is the cost of the dryer? WILL PUT BRAINLI

EST
Mathematics
1 answer:
Tamiku [17]2 years ago
7 0

Answer:

W + D = 661     cost of pair

W = .61 D        cost of washer

1.61 D = 661

D = 413       cost of drier

Check:

W = 413 - .39 * 413 = 252

W + D = 252 + 413 = 665    (within rounding)

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(-2,2)

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3 years ago
If no number can be used more than once, how many different 2-digit numbers can be formed from the digits 4, 6, and 8?
ikadub [295]

Answer:

Six.

46

48

64

68

84

86

Step-by-step explanation:

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4 0
3 years ago
If a change dispenser contains 32 coins consisting of
swat32
<h3>Answer:  19 dimes</h3>

=================================================

Work Shown:

d = number of dimes

q = 32-d = number of quarters

$5.15 = 515 cents

10d+25q = 515

10d+25(32-d) = 515

10d+800-25d = 515

-15d+800 = 515

-15d = 515-800

-15d = -285

d = -285/(-15)

d = 19

There are 19 dimes. You can stop here if you want.

q = 32-d = 32-19 = 13

There are 13 quarters

-------------------------------

Check:

1 dime = 10 cents

19 dimes = 19*10 = 190 cents

1 quarter = 25 cents

13 quarters = 13*25 = 325 cents

total value = 190 cents + 325 cents = 515 cents = $5.15

The answer is confirmed.

6 0
3 years ago
Chris collected $25.65 for a fundraiser. Remy collected $15.87 more than Chris. Sany collected 3 times as much as Remy. How much
andrew11 [14]

Answer:

47.61$

Step-by-step explanation:

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6 0
3 years ago
At first it increased by 25% and then decreased by 40%
Makovka662 [10]

Answer: 12%


Step-by-step explanation:

Let the original salary be Rs a


Salary after increase = a + 40% of a


= a + 40a/100


= 140a/100


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Salary after Decrease = 7a/5 - 20% of 7a/5


= 7a/5 - 20× 7a / 100 × 5


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= 28a/25


Absolute increase = 28a/25 - a


= 3a/25


Percentage = 3a/25 ×100 / a


= 3 × 4


= 12%

4 0
3 years ago
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