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Helen [10]
3 years ago
7

The ratio of boys to girls in a group is 3 to 1 is there are 28 more boys then girls workout how many people their are it total

Mathematics
1 answer:
worty [1.4K]3 years ago
5 0

Answer:

56 total

Step-by-step explanation:

Let the number of girls = x

Let the number of boys = 3x

x                      1

===       =    ==========

x + 28              3

Cross multiply

3x = x + 28                  Subtract x from both sides

3x - x = 28                   Combine

2x = 28                        Divide by 2

x = 28/2

x = 14

Girls = 14

Boys = 14 + 28 = 42

Is the ratio 3 to 1?

42/14 =  3/1 Yes it does

Total number

14 + 42 = 56

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2 years ago
What is the length of the hypotenuse? If necessary, round to the nearest tenth.
artcher [175]

Answer:

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Step-by-step explanation:

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Find four numbers that form a geometric progression such that the third term is greater than the first by 12 and the fourth is g
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If x is the first number in the progression, and r is the common ratio between consecutive terms, then the first four terms in the progression are

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In the second equation, we have

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Substituting this into the second equation, we find

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3 years ago
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Answer:

the value of x is one of those answers i can tell you son

Step-by-step explanation:

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