Mathematics, 08.02.2021 20:20 Lydiac9243
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 $6.00 for 14 postcards and 5 large envelopes.
The second customer paid $10.50 for 12 postcards and 15 large envelopes.
What was the cost in dollars of each large envelope?
Answers: 1
Mathematics, 21.06.2019 18:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 3
Mathematics, 21.06.2019 19:00
What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?
Answers: 1
Mathematics, 21.06.2019 19:30
Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.
Answers: 2
Mathematics, 21.06.2019 20:10
21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)
Answers: 3
Two customers went to a post office to buy postcards and large envelopes. Each postcard costs the sa...
Mathematics, 09.12.2020 07:20
English, 09.12.2020 07:20
English, 09.12.2020 07:20
English, 09.12.2020 07:20
Mathematics, 09.12.2020 07:20
Mathematics, 09.12.2020 07:20
Mathematics, 09.12.2020 07:20
History, 09.12.2020 07:20
History, 09.12.2020 07:20
Mathematics, 09.12.2020 07:20
Mathematics, 09.12.2020 07:20
Physics, 09.12.2020 07:20
History, 09.12.2020 07:20
Biology, 09.12.2020 07:20