SOLUTION: The selling prices of a postcard and a stamp are $6 and $1.4 respectively. Mandy paid $95 for 2x postcards and 5x stamps. Find the total number of stamps.

Algebra ->  Equations -> SOLUTION: The selling prices of a postcard and a stamp are $6 and $1.4 respectively. Mandy paid $95 for 2x postcards and 5x stamps. Find the total number of stamps.      Log On


   

Question 1170290: The selling prices of a postcard and a stamp are $6 and $1.4 respectively. Mandy paid $95 for 2x postcards and 5x stamps. Find the total number of stamps.
Answer by greenestamps(13198) About Me  (Show Source):
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2x postcards, at $6 each, plus 5x stamps, at $1.4 each, cost $95:

2x%286%29%2B5x%281.4%29+=+95
12x%2B7x+=+95
19x+=+95
x+=+5

ANSWER: Number of stamps = 5x = 5*5 = 25