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AnnyKZ [126]
3 years ago
5

Instructions:Select the correct answer.

Mathematics
2 answers:
wel3 years ago
8 0
The correct answer is A here is the math
12+ (3/4x) = 393/4x = 39 -12(4/3)(3/4) = 27 (4/3)x = 36
Luba_88 [7]3 years ago
3 0

Answer: The things that we know in this problem are:

"the number of postcards is 12 more than 3/4 of the number of stamps"

This means that if P is the number of postcards, and S the number of stamps, then:

P - (3/4)S = 12

And we also know that P = 39

39 - (3/4)S = 12

(3/4)S =39 - 12 = 27

S = (4/3)*27 = 36

So he has 36 stamps.

then the correct answer is A.

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