Mathematics, 28.06.2020 03:01 am2334
In a school of 2100 students, the ratio of teachers to students is 1:14. Some teachers join the school and the ratio changes to 2:21. Find the number of teachers who joined the school.
Answers: 2
Mathematics, 21.06.2019 14:00
Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)
Answers: 1
Mathematics, 21.06.2019 16:00
What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)
Answers: 3
In a school of 2100 students, the ratio of teachers to students is 1:14. Some teachers join the scho...
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