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Rzqust [24]
3 years ago
8

Please solve for g!!!!

Mathematics
2 answers:
Xelga [282]3 years ago
6 0

1/p +1/r = 1/g

Lets figure out the left hand side first:

1/p + 1/r .... r/pr + p/pr .... (r+p)/pr

This means: (r+p)/pr = 1/g "flip both sides since g is on the bottom"

g= pr/(r+p)

laiz [17]3 years ago
3 0
The answer to the question

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The difference in age between Brita and her daughter Eva is 30 years. The sum or their ages is 118. How old is Eva?
seraphim [82]

Answer: 44 years

Step-by-step explanation:

Let Brita's age be x and the daughter's age be y , then from the first statement :

x - y = 30

From the second statement :

x + y = 118

solving the resulting linear equation , add the two equations , we have

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x = 74

substitute 74 into equation 1 to find the value of y

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Therefore :

Eva = 44 years

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3 years ago
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3 years ago
What is the value of y?
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