Two customers went to a post office to buy postcards and large envelopes. each postcard
costs...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 02.12.2019 02:31, lindseyreneesmith7
Two customers went to a post office to buy postcards and large envelopes. each postcard
costs the same amount, and each large envelope costs the same amount.
the first customer paid $12 for 14 postcards and 5 large envelopes.
the second customer paid $24.80 for 10 postcards and 15 large envelopes.
•
what was the cost in dollars of each large envelope?
a $1.42 c $1.15
b $0.35 d $0.63
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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