subject
Mathematics, 10.12.2020 21:20 Serenitybella

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 $3.96 for 3 postcards and 2 large envelopes.
The second customer paid $4.89 for 2 postcards and 3 large envelopes.
What was the cost in dollars of each large envelope?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 1
question
Mathematics, 21.06.2019 19:00
How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons
Answers: 1
question
Mathematics, 21.06.2019 20:00
Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?
Answers: 1
question
Mathematics, 21.06.2019 22:00
1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25
Answers: 2
You know the right answer?
Two customers went to a post office to buy postcards and large envelopes. Each Postcard costs the sa...
Questions
question
Business, 21.02.2020 21:58
Questions on the website: 13722367