Mathematics, 02.11.2020 23:20 StupidFatChipmunk

Jonathan collects postcards and stamps. The number of postcards in his collection is 12 more than 4 the number of stamps. He has 39 postcards in all. If Jonathan has x stamps, which equation represents this situation and how many stamps does he have?
A.
The equation is s +12 = 39. and the number of stamps is 36.
B. The equation is +1 = 39, and the number of stamps is 24.
C. The equation is stá + 1 = 39. and the number of stamps is 18.
D. The equation is a = 39+s, and the number of stamps is 156.

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