Need x for both please help!
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Answers: 3
Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
Answers: 1
Mathematics, 21.06.2019 18:00
Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.
Answers: 1
Mathematics, 21.06.2019 22:30
The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.
Answers: 1
Physics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
History, 19.08.2019 12:30
History, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
History, 19.08.2019 12:30
Biology, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30
Mathematics, 19.08.2019 12:30