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oksano4ka [1.4K]
3 years ago
13

UPS charges $7 for the first pound, and $1 for each additional pound. FedEx charges $5 for the first pound and $2 for each addit

ional pound. How many pounds, p, will it take for UPS and FedEx to cost the same?
Mathematics
2 answers:
marshall27 [118]3 years ago
8 0

Answer:1

Step-by-step explanation:

0+1=1

Oksi-84 [34.3K]3 years ago
3 0

Answer:

3 pounds

Step-by-step explanation:

1st pound:

ups=7

fedex=5

2nd  pound:

ups=8

fedex=7

3rd pound:

ups=9

fedex=9

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H/4=7/14
we cross multiply , so
14*h = 7*4
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divide by 14 on both sides
h=28/2=2
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Answer:

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Step-by-step explanation:

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The mean of a list of test scores is 80. Adding an additional test score of 92 caused the mean to rise to 82. After this additio
miv72 [106K]

Answer:

6

Step-by-step explanation:

The mean of a list of test scores is 80

Adding an additional test score of 92 caused the mean to rise to 82

To find:

After this additional, how many total test are in the list ?

Solution:

Let the total number of test at first = n

And sum of total score = S

As we know, mean = \frac{sum \ of \ total \ observation}{number\  of \ total\  observation}

                    80= \frac{S}{n} \\

Multiplying both sides by n

80n=S

Now, as adding an additional test score of 92 caused the mean to rise to 82,

S+92=82\times(n+1)\\80n +92 = 82n+82           \  (given \ S =80n)

80n-82n =82-92\\-2n=-10

By dividing both sides by minus ( - )

2n =10

By dividing both sides by 2

n =5

Thus, total number of test at first = n = 5

And, after this additional score added, total number of tests are n+1=6

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Help please!!!!!!!!!!!!
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Answer:

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Step-by-step explanation:

4 0
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