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Sergeu [11.5K]
3 years ago
8

The ratio of girls getting pickle pop chips to boys getting pickle pop chips is 20 to 11. If the girls

Mathematics
1 answer:
raketka [301]3 years ago
3 0

Answer:

The answer is 62

Step-by-step explanation:

the ratio given can be written as \frac{20}{11}.

first, we need to solve for how many boys received if the girls received 40.

let's write a new ratio to show this.

\frac{20}{11} = \frac{40}{x}

notice how i was able to equal them to each other. this is because they represent the same rate.

to solve for x, cross multiply.

20x= 440\\

now solve.

x=22

the 22 represents how many boys will receive if the girls receive 40.

the question is asking how many will be given out all together. this implies that we should add 40 and 22.

40+22= 62

62 pickle pop chips were given out.

hope this helps!

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Mean, Median, Mode and Range. Easy hard math. Please show work and give answers . Need help appreciate you all
tigry1 [53]

Answer:

:)

Step-by-step explanation:

<em><u>quiz scores:</u></em>

a. arrange them all from least to greatest to figure out the median first

your quiz: 15, 16, 17, 18, 19     middle # = 17        median = 17

friend's quiz: 12, 13, 17, 20, 20     middle # = 17       median = 17

now for mean add all of your quiz scores up and divide by how many #s

15 + 16 + 17 + 18 + 19 = 85 / 5 = 17          mean = 17

now your friend's:

12 + 13 + 17 + 20 + 20 = 82 / 5 = 16.4       mean = 16.4

mode is which number is used the most

your mode = you don't have a mode       your friend's mode = 20

b. you have a higher mean than your friend

<em><u>world populations:</u></em>

a. range is to subtract the smallest number from the largest

803 - 31 = 772

b. mean is adding it all up and dividing by how many numbers there are:

803 + 487 + 348 + 368 + 730 + 31 = 2767 / 6 = 461.17

median is arranging them in order and finding the middle #

31, 348, 368, 487, 730, 803

368 + 487 = 855 / 2 = 427.5

mean = 461.17

median = 427.5

mode = no mode

<em><u>tomato plants:</u></em>

a. range is subtracting the smallest from the largest

52 - 36 = 16

b. mean is adding all the #s and dividing by how many #s there are:

36 + 45 + 52 + 40 + 38 +41 + 50 + 48 = 350 / 8 = 43.75

median is the middle from least to greatest

36, 38, 40, 41, 45, 48, 50, 52

41 + 45 = 86 / 2 = 43

mean = 43.75

median = 43

mode = no mode

hope this helps! :)

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