Mathematics, 15.12.2020 14:00 zaikam81
Two customers went to the post office to buy postcards and large envelopes. Each postcard costs the same amount and each large envelope costs the same amount.
â—Ź The first customer paid $12 for 14 postcards and 5 large envelopes.
â—Ź The second customer paid $24.80 for 10 postcards and 15 large envelopes.
What was the cost in dollars of each large envelope?
1. $1.42
2. $1.15
3. $0.63
Answers: 3
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